Punbo, Kanlayanee, and Laddawan Petchroj. 2021. “GUIDELINES FOR DRIVING PROFESSIONAL LEARNING COMMUNITY OF SCHOOLS UNDER THE SECONDARY EDUCATIONAL SERVICE AREA OFFICE NONTHABURI”. Academic Journal Phranakhon Rajabhat University 12 (2):111-27. https://so01.tci-thaijo.org/index.php/AJPU/article/view/249366.