1. Arnett, J. J. (2000). Emerging adulthood: A theory of development from the late teens through the twenties. American Psychologist, 55(5), 469–480. https://doi.org/10.1037/0003-066X.55.5.469
2. Baltacı, A. (2018). Nitel araştırmalarda örnekleme yöntemleri ve örnek hacmi sorunsalı üzerine kavramsal bir inceleme. [A conceptual analysis on sampling methods and sample size problem in qualitative research.] Bitlis Eren Üniversitesi Sosyal Bilimler Dergisi, 7(1), 231-274. https://dergipark.org.tr/en/download/article-file/497090
3. Barrera Jr, M., & Ainlay, S. L. (1983). The structure of social support: A conceptual and empirical analysis. Journal of Community Psychology, 11(2), 133-143. https://doi.org/10.1002/1520-6629(198304)11:2<133::AID-JCOP2290110207>3.0.CO;2-L
4. Bilgin, I. (2006). The effects of hands-on activities incorporating a cooperative learning approach on eight grade students' science process skills and attitudes toward science. Journal of Baltic Science Education, (9).
5. Büyüköztürk, Ş., Kılıç Çakmak, E., Akgün, Ö. E., Karadeniz, Ş., & Demirel, F. (2012). Örnekleme yöntemleri. [Sampling methods.] http://w3.balikesir.edu.tr/~msackes/wp/wp-content/uploads/2012/03/BAY-Final-Konulari.pdf