TY  - BOOK
AU  - Alexander,L.G..
TI  - Operation mastermind
T2  - Longman originals 
SN  - 058273986
AV  - PE1128.A44 I54 1997
PY  - 1997///
CY  - China
PB  - Addison-Wesley Longman
KW  - English language--Study and teaching
KW  - Readers--Stage 3
ER  -