TY  - BOOK
TI  - BASIC ENGLISH
U1  - 425 
PY  - 1993///
CY  - Ecuador
PB  - ESPOL. CELEX
KW  - INGLES BASICO
N1  - D-13928.D-13929v.D-13930.D-13931.D-13932.D-13933v.1c.2/v.1c.3/v.2/v.2c.2#v.1c.3 S/.1.500 C/U 94.05.Cent.Dif.Pub. BIBL
ER  -