Scientific Research and Essays 1992-2248 Academic Journals 10.5897/SRE2015.6186 Richard P. Uzakah Johnson A. Odebiyi * E-mail: rikuzakah@yahoo.com 2015 30 05 2015 10 02 2015 18 05 2015 10 10 348 355 This is an open-access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. This article is available from http://politicalwaffle.uk/journal/SRE/article-abstract/AF46CED52932 The full text article is available as a PDF file from http://politicalwaffle.uk/journal/SRE/article-full-text-pdf/AF46CED52932 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30