MSc .Worod M. Jabar,Dr. Najeh Alali,Engineer .Lubna Wnos 2021. Application of Rock Engineering System (RES) Approach in Evaluating Geomechanical Parameters of Rock on Drilling Penetration Rate in One of the Fields of South of Iraq. Annals of the Romanian Society for Cell Biology. (Apr. 2021), 11020–11034.