วิวัฒนาทร ญ., วรรณเวช น., and รวมชมรัตน์ พ. “THE DEVELOPMENT OF ACADEMIC ADMINISTRATION TO ENHANCE THE PERFORMANCE OF LEARNERS IN THE 21ST CENTURY’S OFFICE OF NON-FORMAL EDUCATION AND INFORMAL EDUCATION”. Journal of Educational Review Faculty of Education in MCU, vol. 6, no. 3, Dec. 2019, pp. 233-49, https://so02.tci-thaijo.org/index.php/EDMCU/article/view/223839.