Mustacisa, M., and M. Izanan. “Personality Attributes of Public Elementary School Heads in Relation to Teachers’ Performance in Samar Division: A Proposed Training Design on Personality Enhancement”. SSU - Digital Archive for Theses and Dissertations, vol. 29, no. 1, May 2022, pp. 1-226, https://datd.ssu.edu.ph/index.php/datd/article/view/93.