TY  - GEN
AU  - Plessis, P G Du
TI  - Applied business economics : : an introductory survey 
SN  - 0798632089
AV  - HB 3730 APP 1987 
PY  - 1987///
CY  - Pretoria : 
PB  - HAUM Educational Publishers, 
KW  - Managerial economics
N1  - includes index
ER  -