Zaidi, MEKDOUR, and Boubakeur BOUZIDI. 2021. “Difficulties in Understanding Fixed Locutions of an Opaque Nature: Date De réception : 24 06 2020 Date d’acceptation : 24 11 2020”. Human Resources Development Research 16 (04):801-21. https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/429.