Proficiency File is written for prep. Students to enable them to brush up their knowledge before the proficiency exam.
I would like to express my sincere thanks to Yonca Tümer, Asuman Sarıışık, Yaşar Egeli, Bahattin Kahraman, Reyhan Kaya, Itır Gürdoğan and the Gürzimar family for the support they have given me throughout the process.