Piryani, Rano Mal, and Suneel Piryani. “Basic Occupational Safety and Health for Respiratory Diseases”. MedS Alliance Journal of Medicine and Medical Sciences 1, no. 2 (December 31, 2021): 101–102. Accessed November 24, 2024. https://nepjol.info/index.php/mjmms/article/view/46527.