TY  - BOOK
AU  - Slocum,Keith
TI  - Business english: with programmed reinforcement 
SN  - 0028008715
AV  - PE1115  .S66 1993
PY  - 1993///
CY  - New York
PB  - McGraw-Hill
KW  - English language
KW  - Business English
KW  - Programmed instruction
ER  -