?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.geoen.2023.212584&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=O.E.&rft.au=Agwu%2C+O.E.&rft.aulast=Agwu&rft.title=Geoenergy+Science+and+Engineering&rft.atitle=Mathematical+modelling+of+drilling+mud+plastic+viscosity+at+downhole+conditions+using+multivariate+adaptive+regression+splines&rft.volume=233&rft.date=2024&rft.genre=article