[1] Forecasting, O. E. (2005). The economic and social benefits of air transport. Geneva, switzerland, air transport action group.
[2] Transportation research board of the national academics. (2013). Airport cooperative research program (acrp) synthesis 48. Retrieved from http://www.trb.org/ Publications/PubsACRP SynthesisReports.aspx
[3] Windows Internet Explorer (2011). Air Transportation System- Definition of Air Transport. Retrieved from https://www.thefreedictionary.com/air+transportation+system.
[4] SERVICOM Integrated/Local Charter. (2009). Retrieved from:
https://www.faan.gov.ng/.
[5] Jerome, A. (2008). Privatization and enterprise performance in Nigeria: Case study of some privatized enterprises (Vol. 175). African Economic Research Consortium.
[6] Oghojafor, B. E., Kuye, O. L., & Alaneme, G. C. (2012). Concession as a strategic tool for ports efficiency: An assessment of the Nigerian ports. American journal of business and management, 1(4), 214-222.
[7] Ogunsiji, A. S., & Ogunsiji, O. O. (2010). Consummate precision of strategic management approach on transport logistics and physical distribution for port performance efficiency: A case study of Nigerian Ports. Journal of emerging trends in economics and management sciences, 1(2), 96-101.
[8] Tsvetkov, A. (2010). Strategy for the development of the transport infrastructure of the republic of bulgaria through concessioning mechanisms. Bulgarian minister of transport, information, technology, and communication.Retrieved from:
www.traceca-org.org/fileadmin/fm-bulgaria/Presentation_Concessions_0310_en.pdf
[9] Airports council international, north America. (2016). Retrieved from:
[10] Federal government of Nigeria. (n.d.). Retrieved from:
https://en.wikipedia.org/wiki/Federal_government_of_Nigeria.
[11] Allen, C. K. (1999). A new geography of Nigeria. Retrieved from:
https://books.google.com/books/about/A_New_Geography_of_Nigeria.html?id=SJ4PAQAAMAAJ.
[12] Filani, M. O. (1983). Air Transportation in Oguntoyinbo. In J. S. Areola, O. O. Filani M., (Eds.), A geography of Nigerian development.
[13] Air Nigeria. (n.d.). Retrieved from https://en.wikipedia.org/wiki/Air_Nigeria.
[14] Aun, I. I. (2013). Airport development and socio-economic development of Nigeria. Journal of research in national development, 11(1), 196-205.
[15] Bofinger, H. (2011). Africa's transport infrastructure: Mainstreaming maintenance and management. Africa: World Bank Publications.
[16] Afolayan, O. S., Asaju, A. J., & Malik, N. A. (2012). Variation in spatial trend of passengers and aircrafts movement in Nigerian international airports. International journal of humanities and social science, 2(10), 126-133.
[17] Gilroy, L. (2007). Annual privatization report. Retrieved from:
http://tinyurl. com/l5o5e8.
[19] Cruz, C. O., & Marques, R. C. (2011). Contribution to the study of PPP arrangements in airport development, management and operation. Transport policy, 18(2), 392-400.
[20] Gridlock on the ground: How airlines can respond to airport congestion. (2015).
Retrieved from:
https://www.mckinsey.com/industries/travel-transport-and-logistics/our- insights/ gridlock- on-the-ground-how-airlines-can-respond-to-airport-congestion.
[21] Alieva, J. (2017). Retail management: factors influencing profit maximization and customer satisfaction.: A case study of airport operations and concession management. Retrieved from:
www.diva-portal.org/smash/get/diva2:1075335/FULLTEXT01.pdf
[22] Czerny, A. I., Shi, Z., & Zhang, A. (2016). Can market power be controlled by regulation of core prices alone? An empirical analysis of airport demand and car rental price. Transportation research part A: policy and practice, 91, 260-272.
[23] Del Chiappa, G., Martin, J. C., & Roman, C. (2016). Service quality of airports' food and beverage retailers. A fuzzy approach. Journal of air transport management, 53, 105-113.
[24] da Rocha, P. M., de Barros, A. P., da Silva, G. B., & Costa, H. G. (2016). Analysis of the operational performance of brazilian airport terminals: A multicriteria approach with De Borda-AHP integration. Journal of air transport management, 51, 19-26.