Kayastha, Sadhana Pradhanang. “HEAVY METAL POLLUTION OF AGRICULTURAL SOILS AND VEGETABLES OF BHAKTAPUR DISTRICT, NEPAL”. Scientific World 12, no. 12 (October 6, 2015): 48–55. Accessed May 5, 2024. https://www.nepjol.info/index.php/SW/article/view/13597.