Hietala, J. (2015). Finnish upper secondary school EFL teachers' satisfaction with current textbooks.
Chicago-viite (17. p.)Hietala, Janne. Finnish Upper Secondary School EFL Teachers' Satisfaction with Current Textbooks. Jyväskylä, 2015.
MLA-viite (9. p.)Hietala, Janne. Finnish Upper Secondary School EFL Teachers' Satisfaction with Current Textbooks. 2015.
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