SAYEM , Md. Osman Gani Abu; ISLAM , Md. Aminul; SUMI , Samima Afren Bhuian. Comparison of Chromium and Zinc Biosorption Utilizing Leaves of Psidium Guajava. SciEn Conference Series: Engineering, Dhaka, Bangladesh, v. 4, p. 606–611, 2026. DOI: 10.38032/scse.2026.4.280. Disponível em: https://scienpg.com/scs/index.php/engineering/article/view/scse.2026.4.280. Acesso em: 5 aug. 2026.