Dr. Souad messaouda saighi , Dr. Tahraoui naima. “The Method of Deletion in Linguistic Theories - The Generative Transformational School As a Model –”. Pegem Journal of Education and Instruction 15, no. 4 (May 23, 2025): 666–679. Accessed July 2, 2025. https://pegegog.net/index.php/pegegog/article/view/4078.