Abhishek Tiwari, A. K. “A NOVEL APPROACH FOR COMPRESSION OF ENCRYPTED GRAYSCALE IMAGES USING HUFFMAN CODING”. International Journal Of Innovation In Engineering Research & Management UGC APPROVED NO. 48708, EFI 5.89, WORLD SCINTIFIC IF 6.33, Vol. 7, no. 7, 1, pp. 99-103, http://journal.ijierm.co.in/index.php/ijierm/article/view/85.