Saba, S. B. ., N. U. . Khattak, M. Ali, M. Waseem, S. Siddiqui, S. A. Khattak, and S. A. Turab. “Application of Sub-Pixel-Based Technique ‘orthorectification of Optically Sensed Images and Its correlation’ for Co-Seismic Landslide Detection and Its Accuracy Modification through the Integration of Various Masks”. Journal of Himalayan Earth Sciences, vol. 52, no. 1, Mar. 2019, pp. 37-50, http://ojs.uop.edu.pk/jhes/article/view/1847.