Sangngam, Supaporn, Chanawat Tuntivaranuruk, and Chade Sirisawat. 2020. “THE EFFECT OF COOPERATIVE LEARNING STUDENT TEAM ACHIEVEMENT DIVISION (STAD) TECHNIQUE DEVELOPMENT ON LEARNING ACHIEVEMENT AND COMMUNICATION SKILL IN BIOLOGY OF MATTHAYOM 5 STUDENT”. JOURNAL OF EDUCATION NARESUAN UNIVERSITY 22 (2):264-74. https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/97297.