Trinh, B.-S., P. Thi Kieu Chinh, and H. Đoan Tram. “Color Removal Efficiency of Rice Husk Biochar Modified With Magnetized Iron Oxides and Nano Zero Valent Iron for Decolorization of Dyeing Wastewater”. Science & Technology Development Journal: Science of the Earth & Environment, Vol. 3, no. 2, Jan. 2020, pp. 105-14, doi:https://doi.org/10.32508/stdjsee.v3i2.478.