HAMMERSLEY, M. [. (1986). Case studies in clasroom research. Open University press.
Čikaški stil citiranja (17. izdanje)HAMMERSLEY, Martyn [ed.]. Case Studies in Clasroom Research. Philadelphia: Open University press, 1986.
MLA način citiranja (9. izdanje)HAMMERSLEY, Martyn [ed.]. Case Studies in Clasroom Research. Open University press, 1986.
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