Vaziri, Amirhossein, et al. “Presenting a Structural Model for Improving Productivity in Small and Medium-Sized Automotive After-Sales Service Industries Based on the APQC Framework: A Case Study of Atin Part Afzar Company”. Journal of Resource Management and Decision Engineering, vol. 4, no. 3, Sept. 2025, pp. 1-14, https://doi.org/10.61838/kman.jrmde.138.