Joshi RR. Optimization of Conditions for the Preparation of Activated Carbon from Lapsi (Choerospondias axillaris) Seed Stone Using ZnCl₂. J. Inst. Engineering [Internet]. 2016 Mar. 29 [cited 2024 Apr. 26];11(1):128-39. Available from: https://www.nepjol.info/index.php/JIE/article/view/14707