AL Khalaf, H., Federer Kovacsne, G., Alhaj Mohammed, N. and Remeczki, F. (2022) “Improving mechanical properties of oil well cement using polypropylene fibers and evaluating a new laboratory method for measuring the casing cement bonding strength”, Rudarsko-geološko-naftni zbornik, 37(5), pp. 22–38. doi: 10.17794/rgn.2022.5.3.