T. Choden, T. Cheki, L. Jamtsho, and Tshering, “Impact of Air Pollution and its Remedial Measure at Pasakha”, zm, vol. 2, no. 1, pp. 23–27, Jun. 2015, Accessed: Jun. 30, 2025. [Online]. Available: http://103.133.216.217/index.php/zm/article/view/85