@incollection{,
	
					
					
					FD82B2A9C69D8A43A10A8B2B29B00E8B
				,
	author={{BechirFridhi} and {Universit Tunis El-Manar}},
	journal={{Global Journal of Management and Business Research}},
	journal={{GJMBR}}2249-45880975-585310.34257/GJMBR,
	address={Cambridge, United States},
	publisher={Global Journals Organisation}1521743
}