PONGPATTANA, C. .; SINGYOOCHAROEN, W.; CHAIVANICH, K. A Study on Problems in Developing Essential Skills for School Administrators in the 21st Century of Schools under the Bangkok Metropolitan Administration Using Quality Control Tools and 5W1H Technique . วารสารนวัตกรรมการบริหารและการจัดการศึกษา, Pathum Thani, Thailand, v. 3, n. 2, p. 15–30, 2025. Disponível em: https://so11.tci-thaijo.org/index.php/IAEM/article/view/1558. Acesso em: 7 ก.ย. 2025.