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First Author:
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| Georges Ngnouwal Eloundou |
| IUT Villetaneuse / CEPN/ Université de Sorbonne Paris Nord |
| eloundou29@gmail.com |
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| , France |
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Second Author:
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| Honoré Tekam Oumbe |
| Faculty of Economics and Management / University of Dschang |
| h_tekam@yahoo.fr |
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Third Author:
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| Bruno Emmanuel Ongo Nkoa |
| Faculty of Economics and Management / CEREG / University of Yaounde II |
| ongoema@yahoo.fr |
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