Choden, Tashi, Tshering Cheki, Loday Jamtsho, and Tshering. 2015. “Impact of Air Pollution and Its Remedial Measure at Pasakha”. Zorig Melong | A Technical Journal of Science, Engineering and Technology 2 (1): 23-27. https://publication.cst.edu.bt/index.php/zm/article/view/85.