A. Ukam, W. Phengsawat, W. Chalakbang, and P. Steannoppakao, “A CAUSAL RELATIONSHIP MODEL OF FACTORS AFFECTING THE PROFESSIONAL LEARNING COMMUNITY IN PRIMARY SCHOOLS UNDER THE OFFICE OF THE BASIC EDUCATION COMMISSION IN THE NORTHEAST OF THAILAND”, Education MCU, vol. 7, no. 2, pp. 65–78, Aug. 2020.