Kara, S., and S. A. . Abdulrahman. “The Effects of Direct Written Corrective Feedback (WCF) on Language Preparatory School Students` IELTS Independent Writing Section Score”. Canadian Journal of Language and Literature Studies, vol. 2, no. 4, July 2022, pp. 66-88, doi:10.53103/cjlls.v2i4.58.