Search results for: Elsadig Musa Ahmed
Journal of the Knowledge Economy > 2013 > 4 > 4 > 540-555
Economic Modelling > 2012 > 29 > 4 > 1498-1504
Journal of the Knowledge Economy > 2013 > 4 > 4 > 540-555
Economic Modelling > 2012 > 29 > 4 > 1498-1504