Suswardany, D. L., Muhtadi, M., & Ambarwati, A. (2026). Student Volunteers’ Contributions to Public Health Services during COVID-19: Evidence from Vaccination Support, Protocol Supervision, and Hospital Assistance within MBKM Context . Jurnal Kesehatan, 19(2), 157–173. https://doi.org/10.23917/jk.v19i2.13246