Alam S ul, Mohibullah M, Kasi AK, Abdullah A, Hussain TM, Thebo GM. 3Oil and Gas Training Institute, G & R Laboratory, OGDCL, Islamabad. jhes [Internet]. 2023Nov.30 [cited 2024Nov.29];56(2):89-104. Available from: http://ojs.uop.edu.pk/jhes/article/view/1243