ธงภักดี ลลิตา, and จุลศิริพงษ์ สิทธิศักดิ์. “THE DEVELOPMENT OF LEARNING MANAGEMENT ABILITY OF BASIC EDUCATION SCHOOLS TEACHERS IN NAKHON RATCHASIMA TO IMPROVE 21st CENTURY STUDENTS’ LEARNING RESULTS BY USING COOPERATIVE LEARNING”. Research Community and Social Development Journal 12, no. 1 (January 10, 2018): 139–153. accessed December 8, 2025. https://so04.tci-thaijo.org/index.php/NRRU/article/view/161732.