Darneswati, D., J. Jasrial, H. Hadiyanto, and A. Anisah. “Development Of Managerial Competence Of Primary School Principals Lubuk Basung District Agam District”. Asian Journal of Management, Entrepreneurship and Social Science, Vol. 3, no. 04, Oct. 2023, pp. 713-30, http://ajmesc.com/index.php/ajmesc/article/view/359.