TY  - GEN
AU  - Chang, Yih-Long.
AU  - Sullivan, Robert S.
TI  - Quantitative systems for business - QSB ver. 2.0
AV  - T56 Cha.
PY  - 1986///
PB  - Prentice-Hall
KW  - Management - Quantitative methods
N1  - 302
ER  -