Asif Khan, Muhammad , 		Khan,  Umar Ajaib, 		Ali, Asim, 		Hussain, Fawad, AND 		Nisar, Wasif .
" A Robust Color Image Watermarking Scheme using Chaos for Copyright Protection" <em>Mehran University Research Journal of Engineering and Technology</em> [Online], Volume 38 Number 2 (1 April 2019)