Effective presentations :
Comfort, Jeremy.
Effective presentations : teacher's book / Jeremy Comfort. - 2a. ed. - Oxford : Oxford University Press, 1997. - 48 p.
INGLES --TEXTO DE ESTUDIO.
428 C732tb 1997
Effective presentations : teacher's book / Jeremy Comfort. - 2a. ed. - Oxford : Oxford University Press, 1997. - 48 p.
INGLES --TEXTO DE ESTUDIO.
428 C732tb 1997