Ngete, Konradus Gregorius, et al. “Survey of Student Knowledge About Medical and Non-Medical Waste Treatment: Survey Pengetahuan Mahasiswa Tentang Pengolahan Limbah Medis Dan Non Medis”. Dental Therapist Journal, vol. 2, no. 2, Nov. 2020, pp. 55-59, doi:10.31965/dtj.v2i2.714.