KOMPARASI METODE LEAST SIGNIFICANT BIT, PIXEL VALUE DIFFERENCING DAN MODULUS FUNCTION PADA STEGANOGRAFI UNTUK MENGUKUR KUALITAS CITRA, KAPASITAS PENYIMPANAN DAN ROBUSTNESS Least Significant Bit Comparative Method, Pixel Value Differencing and Modulus Function on Steganography to Measure Image Quality, Storage Capacity and Robustness - DITHA, NURJAYANTI (2019)