Shakya, K., M. K. Chettri, and T Sawidis. “APPRAISAL OF SOME MOSSES FOR BIOMONITORING AIR BORNE HEAVY METALS IN KATHMANDU VALLEY”. Ecoprint: An International Journal of Ecology 11, no. 1 (January 11, 2004). Accessed April 18, 2024. https://www.nepjol.info/index.php/ECO/article/view/143.