Alssafar, S.Y. and Al-Mahdawi, F.H.M. 2019. Certain Assessment of Using MWCNT Nps in Drilling Fluid to Mitigate Stick-Slip Problem during Drilling Operation System. Iraqi Journal of Chemical and Petroleum Engineering. 20, 3 (Sep. 2019), 39–47. DOI:https://doi.org/10.31699/IJCPE.2019.3.6.