MAHMAH ABD EL-HALIM BOUTHRID HICHAM2024-08-042024-08-042020-09-10http://dspace.univ-khenchela.dz:4000/handle/123456789/6356fr-MAHMAH ABD EL-HALIM BOUTHRID HICHAM autoroutière des hauts plateaux ( tronçon de la wilaya de Khenchela)M. LEKOUARA Laid MAAThesis