@mastersthesis {5691,
	title = {Etude de la qualit{\'e} des eaux souterraines de la nappe profonde destin{\'e}es a l\&rsquo;irrigation cas de la r{\'e}gion de Tolga (W de Biskra)},
	year = {2016},
	author = {Khelil.M and Fedel.W}
}
