1. Akay, E. (2017). Multilevel analysis of the factors affecting students’ achievement in TEOG exams (Unpublished doctoral dissertation). Osmangazi University, Eskişehir, Turkey.
2. Akyüz, G. (2014). The effects of student and school factors on mathematics achievement in TIMSS 2011. Egitim ve Bilim, 39(172).
3. Socioeconomic Measures and Achievement: Urban vs. Rural.;J. W.Alspaugh;Rural Educator,1992
4. Student and teachers’ perception of causes of poor academic performance in Ogun State secondary schools (Nigeria): Implications for counselling for national development.;O. A.Asikhia;European Journal of Soil Science,2010