TY  - BOOK
AU  - Hearing, Sylvia,
AU  - Gronholm, Mike,
TI  - Computerized practice set who-dun-it bookstore: merchandising, payroll, sale-proprietorship 
SN  - 0131449990
AV  - Z278 H43
PY  - 1989///
CY  - Englewood cliffs, new jersey
PB  - Prentice Hall
KW  - Libreros y librerías
KW  - Procesamiento de datos
ER  -