MEEBUNMAK , K.; PHRAKHRUKEMTHAMMAKOSIT; WEERAPONKAN, B. Guidelines for Internal Supervision Enhancing Quality Classroom based on Sangkhavatthus 4 in Schools of Promkhiri Education Network under Nakhon Si Thammarat Primary Educational Service Area Office 4: Guidelines for Internal Supervision Enhancing Quality Classroom based on Sangkhavatthus 4 in Schools of Promkhiri Education Network under Nakhon Si Thammarat Primary Educational Service Area Office 4. RATANABUTH JOURNAL, Yasothon, Thailand, v. 8, n. 1, p. 394–407, 2026. Disponível em: https://so07.tci-thaijo.org/index.php/rtnb/article/view/10449. Acesso em: 1 oct. 2026.