T. P. Fiqar and A. Pradana, “MULTIPLE LEVEL DATA HIDING MEDICAL IMAGE BASE ON DISCRETE COSINE TRANSFORM (DCT) METHOD USING MULTISCALE IMAGE SHARING (MSIS)”, JUTI, vol. 14, no. 1, pp. 29–43, Jan. 2016, doi: 10.12962/j24068535.v14i1.a509.