Swangwan, C., Promsukkul, P., Suriyonplangsang, C., & Aiemyeesoon, P. (2020). THE EFFECTIVENESS OF INSTRUCTIONAL PACKAGE ON MUSIC THEORY 1 (CIPPA MODEL) FOR THE FIRST YEAR VOCATIONAL CERTIFICATE STUDENTS OF DRAMATIC ARTS COLLEGE. Journal of Educational Review Faculty of Education in MCU, 7(1), 185–196. Retrieved from https://so02.tci-thaijo.org/index.php/EDMCU/article/view/240830