Bradley, J. (2003). The open classroom: Distance learning in and out of schools. Kogan Page.
Chicago-viite (17. p.)Bradley, Jo. The Open Classroom: Distance Learning in and Out of Schools. Kogan Page, 2003.
MLA-viite (9. p.)Bradley, Jo. The Open Classroom: Distance Learning in and Out of Schools. Kogan Page, 2003.
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