1. Agwu, M. O., & Olele, H. E. (2014). Perception survey of employees participation in decision making and organizational productivity in Julius Berger Nigeria PLC Bonny Island. British Journal of Economics, Management & Trade, 4, 620–637.
2. Alutto, J. A., & Belasco, J. A. (1972). A typology for participation in organizational decision making. Administrative Science Quarterly, 17(1), 117–125.
3. Ashley, S. (1992). US quality improves but Japan still leads (study by Ernst & Young and American Quality Foundation). Mechanical Engineering, 24, 114–126.
4. Bennett, N., Wise, C., Woods, P. A., & Harvey, J. A. (2003). Distributed leadership: A review of literature. National College for School Leadership. Open Research Online. Retrieved from http://oro.open.ac.uk/8534/
5. Bligh, M. C., Pearce, C. L., & Kohles, J. C. (2006). The importance of self-and shared leadership in team based knowledge work: A meso-level model of leadership dynamics. Journal of Managerial Psychology, 21(4), 296–318.