Rusli, Rusli, 		Kariimah, Niswatul, AND 		Mahfudz, Mahfudz.
" Determination Dawn of Shadiq in Masalembu Island by Using Image Processing Sobel Edge Detection Technique" <em>International Conference on Law, Technology, Spirituality and Society (ICOLESS)</em> [Online], Volume 1(30 September 2021)