RATAN, R.; YADAV, A. Cryptanalysis of an Image Cipher using Multi entropy Measures and the Countermeasures. Defence Science Journal, [S. l.], v. 70, n. 4, p. 425–439, 2020. DOI: 10.14429/dsj.70.15467. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/15467. Acesso em: 15 jun. 2025.