Moenjak, O. “A Study of Factors which Motivate Supporting Personnel of Health Sciences Group, Naresuan University to Complete a Portfolio Requirement for a Promotion to a Higher Position and quality of life at work”. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University, vol. 19, no. 1, June 2025, pp. 205-19, doi:10.14456/psruhss.2025.14.