1. Aydın, İ.S.: Development of a speaking self-efficacy scale for teacher candidates. Akdeniz J. Educ. Res. 14, 33–46 (2013)
2. Karademir, C.A.: Gorgoz, S: English teachers’ problems encountered in teaching four basic language skills. Int. Educ. Stud. 12(4), 118–127 (2019). https://doi.org/10.5539/ies.v12n4p118
3. Dolunay, S.K.: The aim and the importance of grammar teaching. J. Turkology Stud. (TÜBAR) 15(27), 275–284 (2010)
4. Tosun, C.: Foreign language education problem. J. Lang. Linguist. Stud. 2(1), 28–42 (2006)
5. Demirel, Ö.: Foreign Language Teaching. Pegem Publishing, Istanbul (2003)