Siriparp, T. ., P. . Buasuwan, and S. . Nanthachai. “The Effects of Principal Instructional Leadership, Collective Teacher Efficacy and Teacher Role on Teacher Self-Efficacy: A Moderated Mediation Examination”. Kasetsart Journal of Social Sciences, vol. 43, no. 2, Apr. 2022, p. 353‒360, https://so04.tci-thaijo.org/index.php/kjss/article/view/258493.