Sao, N.K., Hoa, N.N. and At, P.V. 2020. AN EFFECTIVE REVERSIBLE DATA HIDING METHOD BASED ON PIXEL-VALUE-ORDERING. Journal of Computer Science and Cybernetics. 36, 2 (May 2020), 139–158. DOI:https://doi.org/10.15625/1813-9663/36/2/14084.