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| Djemah Nouara |
| Laboratoire de recherche en management et techniques quantitatives Université de Bejaia |
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| nghilas@yahoo.fr |
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| Bejaia, Bejaia 06000 |
| ALgeria |
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| nghilas@yahoo.fr |
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JEL Areas:
C0 : Mathematical and Quantitative Methods: General
Q1 : Agriculture: General |
