Supiyandi S, Lamudur Arta Sihombing G, Kristian Siburian H, Purnomo A, Anam F, Putut Laksminto Emanuel E, et al. Application of Invisible Image Watermarking. IJET [Internet]. 2018 Jun. 20 [cited 2024 May 2];7(3.2):760-2. Available from: https://sciencepubco.com/index.php/ijet/article/view/18749