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The voice : an occupational tool : a study of teacher's classroom speech and the effects of amplification
by???:
Valdís Ingibjörg Jónsdóttir
(1943- )
Vydáno: Tampere : Tampere University Press : Taju [jakaja], 2003.
Kniha
Vydáno: Tampere : Tampere University Press : Taju [jakaja], 2003.
Kniha