TY  - BOOK
TI  - Challenges: a process approach to academic english
SN  - 0-13-009085-9
U1  - M 808.042 B878 1991 
PY  - 1991///
CY  - Englewood Cliffs
PB  - Prentice Hall Regents
KW  - Jennifer O'Day
KW  - Challenges
N1  - Includes Index
ER  -