Egilmez, Gokhan, and Ilaria Tutore. “Assessing the OECD Countries’ Industry 4.0 Maturity from Sustainable Development Goals’ Perspective: An Integrated PCA and DEA Approach”. Journal of Knowledge Management Practice 25, no. 6 (December 5, 2025). Accessed December 19, 2025. https://journals.klalliance.org/index.php/JKMP/article/view/584.