Syed Hyder Raza Shah, and Tarique. “A Mixed Method Study on English Spelling Errors Committed by Undergraduate Students at Sanghar”. International Research Journal of Education and Innovation 2, no. 1 (June 20, 2021): 13–23. Accessed June 23, 2025. https://www.irjei.com/index.php/irjei/article/view/10.