จวนสูงเนิน อ, P็HONNONG I. A STUDY OF LEARNING ACHIEVEMENT ON MATHEMATICS AND GROUP WORKING BEHAVIORS OF GRADE 5 STUDENTS USING COOPERATIVE LEARNING TEAM ACHIEVEMENT DIVISION TECHNIQUE WITH POLYA’ PROBLEM SOLVING PROCESS. Res Comm Soc Dev J [internet]. 2022 Aug. 5 [cited 2026 Sep. 17];16(3):261-72. available from: https://so04.tci-thaijo.org/index.php/NRRU/article/view/255457