Wijaya, Fef Rama Jaya, and Debora Eflina Purba. “Perceived Workload and Organizational Citizenship Behavior (OCB): The Role of Psychological Empowerment”. Psikohumaniora: Jurnal Penelitian Psikologi, vol. 5, no. 2, Nov. 2020, pp. 219-30, doi:10.21580/pjpp.v5i2.3694.