มาสอาด ข, โสวจัสสตากุล ท, เพ็ชร์แสงศรี ศ. A DEVELOPMENT OF WEB-BASED INSTRUCTION BASED ON COOPERATIVE LEARNING USING JIGSAW TECHNIQUE ON UNIVERSE FOR GRADE 9 STUDENTS. J. IND. EDUC. [Internet]. 2017 Aug. 31 [cited 2024 Apr. 26];16(2):40-7. Available from: https://ph01.tci-thaijo.org/index.php/JIE/article/view/120414