S. Duangkamnoi and R. Anutrakulchai, “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, vol. 7, no. 2, pp. 464–482, Feb. 2022.