Prospect Analysis of Paleocene Coalbed Methane: A Case Study of Hangu Formation, Trans-Indus Ranges, Pakistan oleh Hamza Azam Qadri, Ali Wahid, Numair Ahmed Siddiqui, Syed Haroon Ali, Ahmed Abd El Aal, Amirul Qhalis Bin Abu Rashid, Mohd Najib Bin Temizi