Bada, Erdoğan, and Ömer Gökhan Ulum. “Utilization of Active and Passive Constructions in English Academic Writing”. Journal of Human Sciences 15, no. 1 (March 15, 2018): 413–421. Accessed May 4, 2024. https://www.j-humansciences.com/ojs/index.php/IJHS/article/view/5256.