Pourtofigh, Seyed Hamidreza, et al. “Presenting a Process Model of Lean Manufacturing in Industry 4.0 Based on a Mixed-Methods Research Approach”. Journal of Resource Management and Decision Engineering, vol. 3, no. 1, Mar. 2024, pp. 72-83, https://journalrmde.com/index.php/jrmde/article/view/252.