Khattak, M., Ahmed, I., Ahmed, J. and Ahmed, A. (1984) “A Note on the Occurrence of Blue Quartz in Rustam, Mardan district, Pakistan”, Journal of Himalayan Earth Sciences, 17(1), pp. 174-175. Available at: http://ojs.uop.edu.pk/jhes/article/view/1277 (Accessed: 29November2024).