Isichei, Emmanuel Ejikeme, and Isaac Ayanyinka Ayandele. “Operational Work System Design and Staff Performance in the Nigerian Construction Industry”. Entrepreneurial Business and Economics Review 5, no. 1 (March 24, 2017): 187–200. Accessed April 24, 2024. https://eber.uek.krakow.pl/eber/article/view/186.