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