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First Author:
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| Philémon Votsoma |
| Faculty of Economics and Management, University of Garoua, Cameroon |
| votsomaphilemon@gmail.com |
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| University of Garoua, P.O. BOX – 346 Garoua |
| Garoua, Cameroon |
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| 695254767(Phone) |
| 695254767(Fax) |
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Second Author:
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| Sem I-dé Dringa . |
| Faculty of Economics and Management, University of Maroua, Cameroon |
| i.dedringasem@yahoo.com |
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| Maroua, Cameroon |
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Third Author:
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| Mohammadou Nourou |
| Faculty of Economics and Management, University of Garoua, Cameroon |
| nourouacademy@gmail.com |
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| University of Garoua, P.O. BOX – 346 Garoua |
| Garoua, Cameroon |
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