Swangwan, C., Promsukkul, P., Suriyonplangsang, C. and 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), pp. 185–196. available at: https://so02.tci-thaijo.org/index.php/EDMCU/article/view/240830 (accessed: 8 January 2026).