Nguyen, D., Vo, B. and Dinh, P. 2019. Initial study on the adsorption of As(V) on nano MnO2/chitosan composite. Science & Technology Development Journal: Natural Sciences. 2, 3 (May 2019), 78-84. DOI:https://doi.org/https://doi.org/10.32508/stdjns.v2i3.756.