Thaima, W., Pakornpimook, A., Nuntharatkul, P., & Ruangsil, B. (2022). Collaborative Management in the Internal Quality Assurance of Schools under the Ratchaburi Secondary Education Service Area Office. Vocational Education Central Region Journal, 6(1), 71–78. Retrieved from https://so06.tci-thaijo.org/index.php/IVECJournal/article/view/256643