Abu Bakar, M. Z., Akram, M., Khan, M. S., & Khan, M. U. (2013). A Study to Correlate Uniaxial Compressive Strength and Schmidt Hammer Rebound Number for Selected Rocks of Pakistan. Journal of the Pakistan Institute of Chemical Engineers, 41(1), 49–58. Retrieved from http://piche.org.pk/journal/index.php/jpiche/article/view/108