TY  - BOOK
AU  - Warshawsky, Diane
AU  - Donald R. H.
TI  - Spectrum 1A: : A communicative course in English
SN  - 0-13-829870-x
U1  - 428 
PY  - 1992///
CY  - Estados Unidos: 
PB  - Prentice Hall, 
KW  - LEMB
KW  - Ingles
N1  - Spectrum is a complete six-level course for adult and young adult learners of English featuring a unique natural approach to lanuage learning: Rich language input is providede in authentic conversatins accompanied by receptive activities that help students absorb new functions, structures, and vocabulary
ER  -