T. . O. Oyebisi, A. S. Momodu, in S. O. Olabode, „System Thinking in Managing Technological Innovation Systems in Manufacturing Companies“, OE, let. 59, št. 3-4, str. 50–57, avg. 2013, Pridobljeno: 14. marec 2026. [Na spletu]. Dostopno na: https://journals.um.si/index.php/oe/article/view/2307