TY  - BOOK
AU  - Mackin,Ronald
TI  - Opeac oral drills work-book B [and] C
SN  - 0194520455
U1  - R:E/M158o 
PY  - 1973///-1975
CY  - London
PB  - Oxford University Press
KW  - English language
KW  - study and teaching
ER  -