Stratigopoulos, N. (2015). TGFU Teaching Games for Understanding. Nicholas Stratigopoulos.
Chicago-viite (17. p.)Stratigopoulos, Nicholas. TGFU Teaching Games for Understanding. Nicholas Stratigopoulos, 2015.
MLA-viite (9. p.)Stratigopoulos, Nicholas. TGFU Teaching Games for Understanding. Nicholas Stratigopoulos, 2015.
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