Momand, Ahmad Gul, Obaidullah Zahid, and Fareed Sahil. “Exploring Ways to Improve English Language in Mixed ‎Proficiency Class”. Nangarhar University Social Science Journal 2, no. 02 (May 7, 2025): 52–56. Accessed December 7, 2025. http://nussj.nu.edu.af/index.php/nussj/article/view/40.