The purposes of this study were to 1) compare the perception on the organization culture of the personnel with different demographic characteristics working at Rajamangala University of Technology Phra Nakhon 2) compare the effectiveness of the Enterprise Resource Planning (ERP) of the personnel with different demographic characteristics working at Rajamangala University of Technology Phra Nakhon and 3) study the relationship between the perception on the organization culture and the effectiveness of the enterprise resource planning (ERP) at Rajamangala University of Technology Phra Nakhon. The samples were 170 accounting and supply staff and administration who involved with ERP. The collected data were analyzed by the percentage distribution frequency distribution mean and standard deviation. T-test and F-test were applied to verify the hypothesis and analyzed by One-Way ANOVA and Person’s Product Moment Correlative Coefficient. The results of the study revealed that the staff with the age difference perceived the organization culture differently at the level of .05 significance. Gender marital status educational level working period faculty/department of the staff did not vary in perceiving the organization culture in the overall. In terms of the effectiveness of the Enterprise Resource Planning (ERP) it was found that the staff with the age difference differed at the level of .05 significance. Gender marital status educational level working period faculty/department of the staff did not vary in the effectiveness of the Enterprise Resource Planning (ERP) in the overall. The perception on the organization culture of RMUTP personnel positively related to the effectiveness of the Enterprise Resource Planning (ERP) at the level of .05 significance.

The purposes of this study were to 1) compare the perception on the organization culture of the personnel with different demographic personal background 2) compare the effectiveness of the Enterprise Resource Planning of the personnel with different demographic personal background and 3) study the relationship between the perception on the organization culture and the effectiveness of the enterprise resource planning.The results of the study revealed that in the overall1) The staff with the age difference perceived the organization culture differently while the staff’s genders marital statuses educational levels working periods and work departments showed no significance. 2) It was found that in the overall the staff with different ages perceived the effectiveness of the Enterprise Resource Planning differently but according to the staff’s educational levels positions and work departments showed no significant difference. 3) The personnel’s perception on the organization culture positively and highly related to the effectiveness of the Enterprise Resource Planning.