ยมรัตน์ เสาวลักษณ์. “THE DEVELOPMENT OF STUDENT ASSISTANT SYSTEM: A CASE STUDY OF BANNONGJAN SCHOOL, KHAM SAKAESAENG DISTRICT, NAKHON RATCHASIMA PROVINCE”. Ph.D. in Social Sciences Journal 8, no. 2 (August 31, 2018): 101–115. Accessed May 6, 2024. https://so05.tci-thaijo.org/index.php/phdssj/article/view/92216.