@incollection{,
	
					
					
					D3B99A4D68B5713226F3492A920E354F
				,
	author={{A.Alouani}},
	journal={{Global Journal of Researches in Engineering}},
	journal={{GJRE}}2249-45960975-586110.34257/gjre,
	address={Cambridge, United States},
	publisher={Global Journals Organisation}17315
}