مذكرات

http://www.ummto.dz/IMG/pdf/_-20.pdf

http://theses.univ-batna.dz/index.php?option=com_docman&task=cat_view&gid=1001&Itemid=4


http://theses.univ-batna.dz/index.php?option=com_docman&task=cat_view&gid=684&Itemid=4