Kumar A, Jain P, Ali J, Kumar S, Samuel Babu J. A lightweight buyer-seller watermarking protocol based on time-stamping and composite signal representation. IJET [Internet]. 2018 Sep. 25 [cited 2025 May 13];7(4.6):39-41. Available from: https://mail.sciencepubco.com/index.php/IJET/article/view/20230