This research aims to study 1) personal characteristics that affect the purchasing behavior of consumers in convenience stores in Nong-Don District Saraburi province and 2) retail market factors that affect the purchasing behavior in convenience stores in Nong-Don District Saraburi province. The sample group used in the research consisted of 400 people in Nong Don District Saraburi province. The instrument used for data collection was a questionnaire. The statistics used for data analysis were percentage mean standard deviation a statistical significance test with a value of 0.05. The results of the research are that 1) most of the sample groups were female aged 21-25 years with status occupation student a monthly income less than or equal to 10000 Baht and an education level below bachelors degree. 2) Furthermore factors influenced the purchasing behavior in convenience stores. Overall the average score was at the highest level. The process had the highest average score followed by the product and distribution physical characteristics personnel and marketing communications. The aspect with the least average score was the price. 3) Shopping behavior in convenience stores was analyzed by hypothesis testing. It was found that different sexes had different purchasing behavior in convenience stores in Nong-Don District Saraburi province. It was significantly different at the 0.05 level and age marital status occupation monthly income educational backgrounds. The different is consumers purchasing behavior in convenience stores in Nong-Don District Saraburi province were significantly different at the 0.05 level. Retail market factors like products price distribution marketing promotion personnel process and physical appearance affect the purchasing behavior in convenience stores in Nong-Don District Saraburi province.

The purposes of this research were 1) to study the purchasing behavior of readyto- drink coconut juice. 2) To study the marketing factors of ready-to-drink coconut juice of consumers. 3) To study the relationship between personal factors and behavior in purchasing ready-to-drink coconut juice and 4) to study the relationship between marketing factors and purchasing behavior of ready-to-drink coconut juice. This was a quantitative research using questionnaires as a tool to collect data from a sample of 400 people without gender who are 20 years of age or older and live in Bangkok. The statistics used in the data analysis consisted of percentage mean standard deviation and correlation was determined by chi-square statistical test. The results showed that 1) most consumers behaviors had a reason to choose ready-to-drink coconut juice as a healthy drink with a purchase frequency of 1-2 times per week. The amount of purchase per time is at 1 bottle / box / bag which the purchase cost per time is 51- 100 baht and most of them choose to buy products from convenience stores. 2) The overall marketing factors in purchasing ready-to-drink coconut juice of the sample group were at the highest level. When considering the factors by aspect they were found that almost all aspects had the highest level of opinion in terms of price products and distribution channels respectively. Except for marketing promotion it was found that the sample group had a high level of opinion. 3) The relationship between personal factors and behavior in purchasing ready-to-drink coconut juice found that gender was related to the purchase frequency and the cost of each purchase. The education level was related to the reason for the purchase purchase frequency and cost of each purchase. Age occupation and average monthly income were related to all aspects of purchasing behavior which were the reason for purchase frequency of purchase location of purchase quantity of each purchase and cost of each purchase were found to be (P ≤ 0.01) and 4) the relationship between marketing factors and purchasing behavior of ready-to-drink coconut juice found that the overall marketing factors were related to behavior in all aspects which were the reason for purchasing purchase frequency purchase location quantity of each purchase and each purchase cost were found to be statistically (P ≤ 0.05)

This research aims to develop Thai herbal formulas for household cleaning products and reduce the use of chemicals by using kaffir lime herbs to extract essential oils by using a method of squeezing from the bark. The result is a dark green essential oil with a pleasant aroma when mixed with liquid hand soap and natural residues such as water extracted from silkworm cocoons to add moisture and lye to remove it. Reduce the use of chemical flavoring agents the use of coloring chemicals the use of moisturizing agents and the use of degreasers. In this research the formula for hand washing liquid soap using 80 ml. of essential oil from kaffir lime peel is the right amount resulting in liquid hand soap with a pH value of 7.3 which is the value that is in the standard for mixed liquid soap products. TIS 1403-2551 can inhibit the bacteria Staphylococcus aureus (S.aureus) a bacterium that can cause diarrhea in humans.

The purposes of this research were to 1) investigate personal factors of consumers in Bangkok after the outbreak of Coronavirus 2019 (COVID-19) 2) study information awareness in the widespread Coronavirus 2019 (COVID-19) 3) find out the new normal style of consumers’ behaviors in food purchasing options in Bangkok after the Coronavirus 2019 (COVID-19) epidemic 4) study the relationship between personal factors and the new normal style of consumers’ behaviors in food purchasing options in Bangkok after the outbreak of Coronavirus 2019 (COVID-19) and 5) examine the relationship between information awareness of the Coronavirus 2019 (COVID-19) outbreak and the new normal style of consumers’ behaviors in food purchasing options in Bangkok after the Coronavirus 2019 (COVID-19) outbreak. The sample was 400 consumers in Bangkok who were selected by stratified sampling. The research instrument used in this study was the questionnaire. The statistical analysis used in this study included frequency percentage means and chi square. The results of the study were as follows: 1) for personal factors of consumers in Bangkok most of them were female (222 participants) whose ages ranged from 20-30 years old. Their education was lower than bachelors level. Their occupations were company employees/private employees with an average income from 10001 to 20000 baht per month. 2) Regarding the awareness of the Coronavirus 2019 (COVID-19) pandemic the results showed that most of the consumers received main sourcesof information from the Ministry of Public Health family members and television channel. 3) In addition to the new normal style of purchasing food options the results reported that most consumers preliminary examined their readiness health check before going out to buy or use any services. The majority of consumers selected restaurants in the department stores buying a la carte for example meat rice and curry fried chicken bakery products instant noodles frozen meats and various Thai desserts. These consumers spending money less than 500 baht bought these products by themselves and making their own decisions. 4) Personal factors including gender and education level were correlated with the new normal style of consumers’behaviors in foods purchasing option with statistically significant at the .05 level. 5) For the outbreak information sources the informants reported that the widespread Coronavirus 2019 (COVID-19) was correlated to the new normal style of consumers’ behaviors in food purchasing options with statistically significant at the .05 level.

The objectives of this research are: (1) to study the demographic factors that influence decision making in buying home appliances through the Shopee application of generation X (2) to study how the marketing mix such as product price place promotion influences the buying decision of home appliances through Shopee application of generation X. The 400 samples were drawn from 10 districts in Ratchaburi province using the convenient sampling method statistics analysis done under 95 percent confidence interval with significant level 0.05. The results show that: (1) demographic factors like gender age and income affected consumer buying. Education and occupation did not affect the consumers’ buying decisions. (2) Product price place promotion affected the buying decisions of home appliances through the Shopee application of generation X in Ratchaburi province. The Regression Analysis using R2 was applied to determine the relationship between marketing mix and problem recognition information findings alternative assessment consumer decision making and reaction after buying. The R2 are 0.62 0.53 0.59 0.58 and 0.62 respectively. The consumer problem recognition and response after buying are higher in the relationship of R2. In conclusion the consumer buying decisions of home appliances through the Shopee application are related to the marketing mix problem recognition and the reaction after buying.