Mahmood, Muhammad Fahad, Urooj Shakir, Muhammad Khubaib Abuzar, Mumtaz Ali Khan, Nimatullah Khattak, Hafiz Shahid Hussain, and Abdul Rehman Tahir. 2017. “Probabilistic Neural Network Approach for Porosity Prediction in Balkassar Area: A Case Study”. Journal of Himalayan Earth Sciences 51 (1A):111-20. http://ojs.uop.edu.pk/jhes/article/view/1892.