Al Mafalees, Fahmi Abdo Mohamed, and Aisha Saleh Ali Mohdar. “The Effect of Explicit Morphological Instruction on Vocabulary Learning Among Yemeni EFL University Students”. Humanities and Educational Sciences Journal 7, no. 18 (September 19, 2021): 627–648. Accessed August 28, 2026. https://hesj.org/ojs/index.php/hesj/article/view/353.