OBETA PO, SAMUEL E. Rheological Evaluation of Mucuna sloanei (Ukpo) as a Sustainable Bio-Polymer Viscosifier for Water-Based Drilling Fluids in Nigeria. Direct Res. J. Eng. Inform. Tech. [Internet]. 2026 Apr. 29 [cited 2026 Jun. 12];14(1):150-9. Available from: https://journals.directresearchpublisher.org/index.php/drjeit/article/view/738