Adepehin , D. S., Magi, F. F., Omokungbe, O. R., Olajide , T. A., & Olajide, A. O. (2022). Assessment of Three Non-Linear Approaches of Estimating the Shale Volume Over Yewa Field, Niger Delta, Nigeria . UMYU Scientifica, 1(1), 20–29. https://doi.org/10.56919/usci.1122.004