Title: Progressio English 1997 – 1 & 2
Author: Lucchetti B., María Clara; McKay, Jill; Charlton sj, Terry; Ehrtmann, Hildegard; Von Grafenstein, Ingeborg; Reyes, Cecilia; Reyes, José; Hiesse, Dominique; Gossweiler, Alberto
Date: 1997-01
Archive: P_1997_1-2_En
