Shah, S. M. J., and P. Q. ul Islam. “Combine and Multilevel Implementation of Cryptographic and Data Hiding Algorithms to Provide a Hybrid Data-Security Scheme”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 32, no. 1, June 2017, pp. 266-81, https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/2983.