วงษ์เชิดขวัญ ป.; ตันติรจนาวงศ์ ส.; บัวทอง ศ. THE INTERNAL QUALITY ASSURANCE OPERATION OF PRIVATE NON-FORMAL EDUCATION SCHOOLS IN SAMUT SAKHON PROVINCE. Academic Journal Phranakhon Rajabhat University, [S. l.], v. 10, n. 1, p. 162–177, 2019. Disponível em: https://so01.tci-thaijo.org/index.php/AJPU/article/view/158639. Acesso em: 17 may. 2024.