SpringerLink (Online service), Bray, M., Kwo, O., & Jokić, B. (2016). Researching Private Supplementary Tutoring: Methodological Lessons from Diverse Cultures (1st ed. 2016.). Springer International Publishing : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Mark Bray, Ora Kwo, και Boris Jokić. Researching Private Supplementary Tutoring: Methodological Lessons from Diverse Cultures. 1st ed. 2016. Cham: Springer International Publishing : Imprint: Springer, 2016.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Researching Private Supplementary Tutoring: Methodological Lessons from Diverse Cultures. 1st ed. 2016. Springer International Publishing : Imprint: Springer, 2016.
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