ANYANWU, Timothy Chibuike, Ifeoma Ogeri AGBI, Botwe TAKYI, Joy Obiageli NJOKU, and Uduak Anthony UGBAJA. “Biological Marker Fingerprints of Crude Oils from Three Oilfields in the Central Niger Delta: Implication to Source Input, Conditions of Deposition, and Thermal Maturation”. GeoScience Engineering 68, no. 2 (December 13, 2022): 134–150. Accessed April 26, 2024. http://geoscience.cz/ojs/index.php/GSE/article/view/397.