Udomkan, Paertanthong, and Pornthep Sathiannoppakao. “THE DEVELOPMENT OF TRAINING CURRICULUM TO ENHANCE ENGLISHSPEAKING SKILL USING B–SLIM MODEL FOR PRIMARY 5 STUDENTS UNDER NAKHON PHANOM PRIMARY EDUCATIONAL SERVICE AREA OFFICE 2”. Academic Journal of Mahamakut Buddhist University Roi Et Campus 11, no. 1 (March 30, 2022): 322–335. Accessed April 27, 2024. https://so01.tci-thaijo.org/index.php/AJMBU/article/view/246949.