Bigzad, Abdul Wasi, Ahmad Jan Amiry, and Khalilullah Tawhidyar. “The Effects of Oral and Written Feedback on Students’ Academic Achievement in the Department of English at Parwan University”. Nangarhar University Social Science Journal 3, no. 04 (October 25, 2026): 18–26. Accessed October 26, 2026. https://nussj.nu.edu.af/index.php/nussj/article/view/107.