วิเศษวงษา ท. The development of science process skill by problem base learning for Mathayom Suksa 5. JRDI. RMU [Internet]. 2022 Aug. 2 [cited 2024 May 19];9(2):25-38. Available from: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/255687