Elmahdi, Omer Elsheikh Hago, and Abdulrahman Mokbel Mahyoub Hezam. “Challenges for Methods of Teaching English Vocabulary to Non-Native Students”. Advances in Social Sciences Research Journal 7, no. 5 (June 7, 2020): 556–575. Accessed April 25, 2024. https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/8263.