SpringerLink (Online service), Bevan, B., Bell, P., Stevens, R., & Razfar, A. (2013). LOST Opportunities: Learning in Out-of-School Time. Springer Netherlands : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Bronwyn Bevan, Philip Bell, Reed Stevens, και Aria Razfar. LOST Opportunities: Learning in Out-of-School Time. Dordrecht: Springer Netherlands : Imprint: Springer, 2013.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. LOST Opportunities: Learning in Out-of-School Time. Springer Netherlands : Imprint: Springer, 2013.
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