El Assad, N., Mokhlis, S.- eddine, El Haouti, K. and Messaoudi, N. (2026) “Development of a lead-time-first multi-level planning approach for CTO/ATO mass customization supply chains”, Eastern-European Journal of Enterprise Technologies, 1(3 (139), pp. 48–60. doi: 10.15587/1729-4061.2026.345253.