SpringerLink (Online service), Leung, F. K. S., Park, K., Holton, D., & Clarke, D. (2014). Algebra Teaching around the World. SensePublishers : Imprint: SensePublishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Frederick K. S. Leung, Kyungmee Park, Derek Holton, και David Clarke. Algebra Teaching Around the World. Rotterdam: SensePublishers : Imprint: SensePublishers, 2014.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Algebra Teaching Around the World. SensePublishers : Imprint: SensePublishers, 2014.
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