Tuladhar, Sandeep, Tri Ratna Bajracharya, and Shree Raj Shakya. “Evaluation and Mitigation Analysis of Carbon Footprint for an Airline Operator: Case of Nepal Airlines Corporation”. Journal of Innovations in Engineering Education 4, no. 1 (March 5, 2021): 18–33. Accessed November 23, 2024. https://nepjol.info./index.php/jiee/article/view/34817.