Author Details

NGUENKWE, Bertrand Ronie, Laboratory of Analysis and Research in Mathematical Economics (LAREM), University of Yaounde II-Soa (Cameroon). PO Box 1365 – Yaounde (Cameroon). Email : <a href="mailto:nguenkwe@gmail.com">nguenkwe@gmail.com</a>, jtchouafr@yahoo.fr, Cameroon



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