ประเสริฐ สิทธิจิรพัฒน์Prasert Sitthijirapat2567-03-192024-03-192556-https://dspace.spu.ac.th/handle/123456789/9660The proposes of this research were to examine The Effect of Learning Achievement on HRM359 Organization Development by Teaching with Case Study, Faculty of Business Administration. The research was also extended to investigation on opinions regarding to case study approach used in the class. After collecting 67 students who enrolled HRM359 Organization Development in the second semester of B.E. 2556 by questionnaire, a computer package was used to calculate statistics such as percentage, mean, and standard deviation. Results showed that students significantly improve their knowledge in the Organization Development. Regarding to student satisfactions, the average level of satisfaction was in “good level”. Participants also provide useful suggestions for instructional practices. For example, appropriate suitable time program should be appointed, and variety of topics in Organization Development would help better understanding of the studentsthInstructional PracticeCase StudyLearning AchievementOrganization DevelopmentOther