Talason P, Cojorn K. The Development of Problem-solving Ability and Learning Achievement in Chemistry Subject of Mathayomsuksa 6 Students. J Roi Et [internet]. 2019 Apr. 29 [cited 2026 Oct. 2];13(1):3-15. available from: https://so03.tci-thaijo.org/index.php/reru/article/view/185874