Hayat N, Mughal HU, Nabiand HZ, Moeenuddin G. Impact of Natural Gas and Biogas on Engine Lube Oil Condition. The Nucleus [Internet]. 2017 Jun. 30 [cited 2024 Nov. 22];54(2):83-9. Available from: http://thenucleuspak.org.pk/index.php/Nucleus/article/view/58