Syafa’ah, Irmi, and Young-Jae Cho. “Non-Invasive Ventilation in COVID-19 Related Respiratory Failure”. Jurnal Respirasi 7, no. 3 (September 30, 2021): 139–144. Accessed June 9, 2025. https://e-journal.unair.ac.id/JR/article/view/28343.