Phương, N. Đạt, Phượng, Đỗ T.M., Chiếm, N.H., Thoa, P.N. and Lộc, N.X. 2021. Adsorption of nitrate by biochar prepared from rice husks (o. Sativa l., om5451). Hue University Journal of Science: Natural Science. 130, 1A (Mar. 2021), 31-39. DOI:https://doi.org/10.26459/hueunijns.v130i1A.5957.