CHERKAOUI, Soufiane, and Hanane EL AISSI. “Age and Gender Influences on Productive Vocabulary Expansion: Evidence from Moroccan Middle School EFL Learners”. Journal of Interdisciplinary Studies in Education, vol. 15, no. 5, July 2026, pp. 73-96, https://doi.org/10.32674/ddw9xn59.