Jha, Vinay Kumar, and Ram Bahadur Khatri. “Metal Ions Contamination in Ground Water of Kathmandu and Removal of Iron Using Adsorbent Prepared from Natural Resources”. Scientific World 9, no. 9 (November 28, 2011): 44–49. Accessed November 24, 2024. https://nepjol.info/index.php/SW/article/view/5517.