Natural Gas

Petroleum geology Tiratsoo, E.N. Standard handbook of petroleum & natural gas engineering Williams C. Lyons (Editor) Natural gas technology and business Mishra, Abhijeet Fundamentals of natural gas processing Kidnay, A. J. Elements of petroleum geology Selley, Richard C. Petroleum formation and occurrence , Welte, D. H. Natural gas Smil, Vaclav Encyclopedia of Electricity Act with rules NEPRA Act with rules, WAPDA Act with rules, mines & mineral, water supply, ORGA, oil, sui gas, CNG, LNG, LPG with petroleum acts and rules Pakistan