https://elearning.univ-msila.dz/moodle/pluginfile.php/767438/mod_label/intro/Linguistique%20L3%20S5%20doc%201.pdf
https://elearning.univ-msila.dz/moodle/pluginfile.php/767439/mod_label/intro/Linguistique%20L3%20S1%20Doc2.pdf
https://elearning.univ-msila.dz/moodle/pluginfile.php/767440/mod_label/intro/Linguistique%20L3%20S1%20Doc3.pdf
https://elearning.univ-msila.dz/moodle/pluginfile.php/767441/mod_label/intro/Linguistique%20L3%20S1%20Doc4.pdf