Samal M, Lama SL, Luitel S, Ghimire A. A Pilot Scale Study of Greywater Treatment Using Gravel Sand Followed by Granular Activated Carbon. Kathmandu University J of Sci, Engineering & Technol [Internet]. 2020 Dec. 31 [cited 2024 Nov. 21];14(2). Available from: https://nepjol.info./index.php/KUSET/article/view/63459