جدّة هيفاء. “Historical Linguistics: A Cognitive Grammar Introduction: Chapter 4: Phonetic Change Margaret E. Winters (Wayne State University U.S.A)”. Tobruk University Journal of Social and Human Sciences, no. 15 (July 31, 2025): 86–115. Accessed August 11, 2025. https://journals.tu.edu.ly/tujsh/index.php/JSHS/article/view/104.