http://elearning.univ-djelfa.dz/pluginfile.php/46675/mod_resource/content/0/%D9%81%D9%8A%20%D8%A7%D9%84%D9%82%D8%A7%D9%86%D9%88%D9%86%20%D8%A7%D9%84%D8%A7%D9%82%D8%AA%D8%B5%D8%A7%D8%AF%D9%8A.pdf
- Créateur de cours: BENLAIB BELGACEM
http://elearning.univ-djelfa.dz/pluginfile.php/46675/mod_resource/content/0/%D9%81%D9%8A%20%D8%A7%D9%84%D9%82%D8%A7%D9%86%D9%88%D9%86%20%D8%A7%D9%84%D8%A7%D9%82%D8%AA%D8%B5%D8%A7%D8%AF%D9%8A.pdf