Mahfoud, Bashir Ghit. 1. "Examining the Content & Face Validity of English Placement Test at the Technical College of Civil Aviation & Meteorology, (TCCAM) Tripoli, Libya.". الجامعي, عدد 33 (1), 19-5. https://www.aljameai.org.ly/index.php/aljameai/article/view/802.