et. al., Lakshman Ji. “Design and Implementation of Robust Digital Watermarking Using Hybrid Technique for Copyright Protection Digital Data”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 3 (April 11, 2021): 4839–4845. Accessed September 11, 2025. https://textitlejournal.com/turcomat.org/index.php/turkbilmat/article/view/1988.