Roihana, D., E. Emaliyawati, and S. Pebrianti. “Perception of University Students on the Achievement of Disaster Nursing Course Competencies With Online Learning Methods”. Jurnal EduHealth, vol. 14, no. 01, Mar. 2023, pp. 490-7, https://ejournal.seaninstitute.or.id/index.php/healt/article/view/1774.