Worrasa, K., Chaowachai , S., & Jansila, V. (2022). A Way the Transformational for Head of Division in Phichit Technical College under control office of the Vocational Education Commission. Journal of Modern Learning Development, 7(2), 31–40. retrieved from https://so06.tci-thaijo.org/index.php/jomld/article/view/253633