The purposes of this research are 1) to study the demographic characteristics and behavior in purchasing via line application and 2) to compare the level of satisfaction in purchasing via line application for an open chat consumer group Kheha Thanee 4 Village Bangkok. This study applied quantitative methods and the research instrument was an online questionnaire. The sample group of this study consisted of 306 consumers members of the open chat consumer group Kheha Thanee 4 Village Bangkok. The data were analyzed by frequency percentage mean standard deviation and the researcher tested hypothesis with T Test and One Way ANOVA. The research findings were as follows:

The proposes of this research were to Home Decorative Product Development by Dyeing with Natural Dye from Klun Leaves (Golden shower: Cassia fistula). The effects of dye and mordant in dyeing silk fabric with Natural Dyestuff from Klun Leaves (Golden shower: Cassia fistula and textile testing standard AATCC in colour fastness: washing. The researcher used 20 percent of concentration and Textile Testing standard AATCC as follows. The result showed that the extraction of color from Klun Leaves (Golden shower: Cassia fistula. Dye extracted from the leaves of brown. The second night it will be a dark brown color. In this study using hot-dyed water. When left for 24 hours the water is dark brown. In this research 1. silk is dyed with natural dyestuff from Klun Leaves (Golden shower: Cassia fistula without mordant. There are light yellow colour. 2. The effect of dyeing silk with natural color from the tree. Without the help of additives found. Yellow But after washing the intensity of the color on the cloth fades a little. 3. The effect of dyeing silk with natural color from the tree. Five types of additive were added at 20 percent concentration namely vinegar lemon juice water rust lime and saline. The results showed that all five adjuvants were effective after washing the color intensity on the fabric. 4. Conducting technology transfer. Most of the participants were satisfied with the highest level of satisfaction in all questions.

The Research Projects of Production of Deodorizing Charcoals from Mangrove Charcoal : an Applied Local Wisdom of “Pleakmai Group” at Baan Khaoyeesarn Amphawa district Samutsongkarm Province. The objective is as follows. 1) Design and development of charcoal deodorizing from mangrove charcoal. 2) To pass on knowledge of the invention of deodorize charcoal ones. The results revealed that 1. 5 experts answer Questionnaire about the model of charcoals derived from mangrove. Most of souvenir were chosen by expert are deodorizing pillow deodorizing cactus pot and deodorizing key chain. Most of home decoration product are deodorizing mobile deodorizing tissue box and deodorizing picture frame. 2. The target group questionnaire satisfaction was as follows. Course with satisfaction The Research Projects of Production of Deodorizing Charcoals from Mangrove Charcoal : an Applied Local Wisdom of “Pleakmai Group” at Baan Khaoyeesarn Amphawa district Samutsongkarm Province. Consider each objective found. The objective of the research project was accord with demand of the community was the highest level with average 4.82. Accord with the needs of the trainees and up-to-date content of the curriculum with average was 4.8. Overall consideration was found highest satisfaction average was 4.71 with standard deviation 0.60. Satisfaction with the research project of Production of Deodorizing Charcoals from Mangrove Charcoal : an Applied Local Wisdom of “Pleakmai Group” at Baan Khaoyeesarn Amphawa district Samut songkarm Province. When considering each topic That was found as following. In the service processing the project team were prepared and also concentrate to good service 4.82 Secondly the lecturers had the highest level of expertise and also knowledge in the content was training with an average of 4.80. Satisfaction was at the highest level. The mean was 4.67 standard deviation was 0.82. Satisfaction of product The Research Projects of Production of Deodorizing Charcoals derived from Mangrove : an Applied Local Wisdom OF “Pleakmai Group” at Baan Khaoyeesarn Amphawa district Samutsongkarm Province as following. The souvenir The target group is satisfied with the souvenir. Satisfaction of deodorizing cactus pot was highest level average was 4.73. Satisfaction of deodorizing pillow was highest level average was 4.72. And satisfaction of deodorizing key chain was highest level average was 4.33. The Home decoration The target group satisfied with the home decoration. Satisfaction of deodorizing tissue box was highest level average was 4.79. Satisfaction of deodorizing mobile was highest level average was 4.71. And satisfaction of deodorizing picture frame was highest level average was 4.65.

The purposes of this study were to investigate 1) population factors 2) behavior of service users 3) opinions on marketing mix 4) compare the consumer behavior classified by their demographic factors and 5) compare their opinions on marketing mix classified by their demographic factors. The sample group of the users of badminton court of White House was 412 people who were asked to respond to a questionnaire designed to collect the research data. The data analysis applied frequency distribution tables percentage mean standard deviation and inference statistical data. It was found that the consumers decided to use the court service at White House Badminton court more than 6 times with the individual three hours of each use and with usually groups of two. Mostly reasons for using the service were for being healthy and most users brought their own equipment. They normally rented or bought the equipment and other things such as the badminton rackets socks or water at the court. The Marketing mix affecting the decision-making behavior of choosing to use the White House badminton court was the standard of the equipment for its acceptable price. In term of the distribution channel it was found that the users appreciated convenient parking facilities. For the promotion of marketing it was found that the advertisements were interesting and came in a variety of ways. In terms of People Marketing the service efficiency was found to have encouraging personality and in terms of the physical characteristics it was found that the use of the service was appropriate and the service process was quickly delivered in time.