He A, Boonphadung S, Siththada T. Coaching system administration model for homeroom teachers of secondary vocational schools in Guangdong Province. ijirss [Internet]. 2025 Sep. 19 [cited 2026 Mar. 4];8(6):2177-85. Available from: http://www.ijirss.com/index.php/ijirss/article/view/10091