SUVAPONG S, Suvapong C, Singlop S. THE EFFECTS OF PROBLEM-BASED LEARNING ON LEARNING ACHIEVEMENT AND SCIENTIFIC MIND OF 5TH GRADE STUDENTS IN ANUBANLUMPUK (WANKRU 2503) SCHOOL. JSR [internet]. 2022 Jun. 30 [cited 2025 Apr. 9];8(1):1-15. available from: https://so06.tci-thaijo.org/index.php/jslc/article/view/254596