Asian Science Citation Index - Articles written by O.A. Usman

Articles by O.A. Usman (4)

The Efficiency of Cost Characteristics in Selected Insurance Firms in Nigeria

O.A. Usman and A.O. Salami

International Business Management 2 ( 3 ): 78 - 84 , 2008

The Contribution of Nigerian Export-Import (NEXIM) Bank Towards Export (Non-Oil) Growth in Nigeria (1990-2005)

O.A. Usman and A.O. Salami

International Business Management 2 ( 3 ): 85 - 90 , 2008

The Socio-Economic Impacts of Global System of Mobile Communication (GSM) on University Students: A Case Study of Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria

A.O. Salami and O.A. Usman

Journal of Economics Theory 2 ( 2 ): 63 - 70 , 2008

Scale Economies and Performance Evaluation of Insurance Market in Nigeria

The Social Sciences 4 ( 1 ): 1 - 11 , 2009