JOSHI, S. Comparative Study on the Adsorption Capacity of Activated Carbon Prepared from Lapsi Seed Stone and Betel nut using Phosphoric Acid. Journal of the Institute of Engineering, [S. l.], v. 13, n. 1, p. 153–159, 2018. DOI: 10.3126/jie.v13i1.20361. Disponível em: https://www.nepjol.info/index.php/JIE/article/view/20361. Acesso em: 27 apr. 2024.