List of Articles Crude oil Open Access Article Abstract Page Full-Text 1 - Biodegradation of the Most Heavier Fraction of Crude Oil, Asphaltene, by Bacillus toyonensis BCT-7112 Malihe Honarmand Kashi Mitra Sadat Tabatabaee Nazila Arbab Soleimani 10.22034/jchr.2018.544200 Open Access Article Abstract Page Full-Text 2 - Effects of Process Parameter on Crude Oil Biodegradation of Palm Oil Mill Effluent using Response Surface Optimization Ani Amechi Ezeugwu Felix 10.22034/jchr.2019.664497