Mehmood, R., Bhatti, M. A., Kazmi, K. R., Mehmood, A., Sheikh, S. T., & Shah, S. A. (2010). Mineralogical and Textural Characteristics of Kakul (Hazara) Phosphate Rock, NWFP, Pakistan: Mineralogy of Kakul Phosphate Rock. Biological Sciences - PJSIR, 53(6), 303–310. Retrieved from https://v2.pjsir.org/index.php/biological-sciences/article/view/485