O. Oyebisi, Timothy, Abiodun S. Momodu, in Segun O. Olabode. „System Thinking in Managing Technological Innovation Systems in Manufacturing Companies“. Naše gospodarstvo/Our economy 59, no. 3-4 (avgust 4, 2013): 50–57. Pridobljeno januar 12, 2026. https://old.journals.um.si/index.php/oe/article/view/2307.