Zahid Ur Rehman, S. Hussain, N. Mohammad, S. Raza, S. Sherin, M. Khan, M. Tahir, and M. Khan. “Comparative Analysis of Different Techniques Used for Dimension Stone Mining”. Journal of Himalayan Earth Sciences, vol. 51, no. 1, Mar. 2018, pp. 23-33, http://ojs.uop.edu.pk/jhes/article/view/1870.