Tahir M, Hussain S, Rehman ZU, Muhammad N, Nazir M, Sadiq M. Evaluating the effect of grain size on mechanical parameters of rocks from different areas of Khyber Pakhtunkhwa, Pakistan. jhes [Internet]. 2019Mar.31 [cited 2026Sep.25];52(1):120-7. Available from: http://ojs.uop.edu.pk/jhes/article/view/1853