Srilekha Mukherjee and Subha Ash and Goutam Sanyal, A Differential Calculus Based Image Steganography with Crossover . journal = {International Journal of Information and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2015, vol. 100(4). 1049 - 1055 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/10003694.