Sobirin, Mohammad. “Identifikasi Keluhan Kesehatan Mahasiswa Selama Perkuliahan Daring Pada Masa Pandemic Covid19: Identification of Student Health Complaints During Online Lectures on the Covid19 Pandemic Period”. Jurnal Surya Medika (JSM) 6, no. 1 (August 30, 2020): 128–132. Accessed April 19, 2024. https://journal.umpr.ac.id/index.php/jsm/article/view/1550.