Duangkamnoi S, Anutrakulchai R. DEVELOPING OF ACTIVE LEARNING INSTRUCTION TOWARDS PROJECT-BASED RESEARCH FOR PRIMARY TEACHERS IN KHON KAEN PROVINCEDEVELOPING OF ACTIVE LEARNING INSTRUCTION TOWARDS PROJECT-BASED RESEARCH FOR PRIMARY TEACHERS IN KHON KAEN PROVINCE. JSBA [internet]. 2022 Feb. 28 [cited 2025 Dec. 16];7(2):464-82. available from: https://so04.tci-thaijo.org/index.php/JSBA/article/view/256326