1. Adeniran, S.O and Ikpo, I.J; (2001): Management strategies for university sports facilities. African Journal for Physical, Health Education, Recreation and Dance. 7(2), pp. 349-360.
2. Ahmed, A. E. (2019). Assessment of Causes of Construction Building Defects in Debre Birhan University, North Showa, Amhara, Ethiopia, American Journal of Civil Engineering and Architecture, 7(4), pp. 152-156.
3. Akinpelu, J. A. (2002): The need for code of conduct, building regulations and bye laws for the Building Industry in Nigeria. The Professional Builder, Nigeria Institute of Building. 2(1), pp. 11-14
4. Anderson, L.M. (1999). Spalling brick-material, design or construction problem. Journal of Perform Construction Faculty, pp.163-171.
5. Al – Sultan, K. S. (1996): Maintenance in Saudi Arabia: needs and recommendations for improvement. Journal of Quality in Maintenance Engineering. 2(4), pp. 5 - 16.