Salih, I. A.-S., D. M. S. Aljawad, and D. B. S. Mahdi. “Precautionary Procedures in Basrah Oil Fields Drilling Operations Using Smartphones”. Journal of Petroleum Research and Studies, vol. 8, no. 3, Sept. 2018, pp. 290-05, doi:10.52716/jprs.v8i3.286.