Saeedi, H. ., Jalali, S. E. ., Noroozi, M., & Behraftar, S. . (2021). Prediction of penetration rate of drilling by using rock engineering system approach case study: a well in Azadegan oilfield. Rudarsko-geoloŇ°ko-Naftni Zbornik, 36(5). https://doi.org/10.17794/rgn.2021.5.13