Van Thuan Tran, Van Thinh Pham, Thi Phuong Quynh Bui, Duy Trinh Nguyen and Long Giang Bach (2017) ā€œOptimization of congo red removal by adsorption onto NiFe2O4/GO nanocompositeā€, Vietnam Journal of Science, Technology and Engineering, 59(3), pp. 3-6. doi: 10.31276/VJSTE.59(3).03.