Source: http://univ-bejaia.dz/jspui/bitstream/123456789/11314/1/Management%20de%20Projet%20%20Cas%20de%20projets%20%20de%20construction%20et%20de%20cr%C3%A9ation%20d%E2%80%99entreprise%20sous%20les%20dispositifs%20ANSEJ%20et%20CNAC.pdf