College English 3: Student`s Handbook. /

by Dìaz Zubieta, Marcela.
Published 1982

College English 1: Student`s Handbook. /

by Dìaz Zubieta, Marcela.
Published 1979

College English 2: Sudent`s Handbook. /

by Dìaz Zubieta, Marcela.
Published 1980

Programa de inglés semestres I,II,III y IV

by Díaz Zubieta, Marcela
Published 1976

Hello!

by Díaz Zubieta, Marcela, Díaz Zubieta, Marcela, Ventura y San Martín, Encarnación
Published 1991