Kasi, Njeudjang, Alain Amougou Zanga, Théophile Ndougsa-Mbarga, and Philippe Njandjock Nouck. 2023. “Multi-Stage Hydraulic Fracturing Completion Design Based on Ball-and-Sleeve Method”. Translated byNasr Saeed. Iraqi Journal of Chemical and Petroleum Engineering 24 (1): 5-11. https://doi.org/10.31699/IJCPE.2023.1.2.