Effective presentations :
Comfort, Jeremy.
Effective presentations : [student's book] / Jeremy Comfort. - 1a. ed. - Oxford : Oxford University Press, 1995. - 80 p.
INGLES --TEXTO DE ESTUDIO.
428 C732sb 1995
Effective presentations : [student's book] / Jeremy Comfort. - 1a. ed. - Oxford : Oxford University Press, 1995. - 80 p.
INGLES --TEXTO DE ESTUDIO.
428 C732sb 1995