Batilmurik, Ridolof W., Robert Noach, and David Samuel Latupeirissa. 2024. “Altruism Behavior in Higher Education: Role of Gratitude and Job Satisfaction”. The International Journal of Social Sciences World (TIJOSSW) 6 (1):1-10. https://www.growingscholar.org/journal/index.php/TIJOSSW/article/view/421.