Y. Vitrianingsih and F. Issalillah, “Voluntary Motivation and Emotional Well-being: Exploring Differences Based on Internal and External Drives”, Journal of Social Science Studies, vol. 1, no. 1, pp. 147–152, Jan. 2021, Accessed: Mar. 14, 2026. [Online]. Available: https://jos3journals.id/index.php/jos3/article/view/45