Phumkerd, O., W. . Theunchang, and . T. . Thossakrai. “GUILDLINES FOR DEVELOPMENT OF LEARNING SKILLS IN THE 21STCENTURY OF STUDENTS AT NAKHON SAWAN RRIMARY EDUCATIONAL SERVICE AREA OFFICE 3 ACCORDING TO THE THREEFOLD LEARNING”. Journal of Educational Review Faculty of Education in MCU, vol. 11, no. 3, Dec. 2024, pp. 651-68, https://so02.tci-thaijo.org/index.php/EDMCU/article/view/275496.