Tawfik MAM. A Proposed Model to Analyze the Impact of Back-end Logistics Capabilities as a Mediating Variable in Improving the Efficiency of Operational Performance: An Applied Study on a Sample of Industrial Companies Operating in the Egyptian Market. aja [Internet]. 2024 Feb. 1 [cited 2025 Dec. 28];44(1):119-38. Available from: https://ajajournal.org/aja/article/view/11