TY  - BOOK
AU  - Johnson, Richard A.
AU  - Newell, William T.
AU  - Vergin, Roger  C.
TI  - Operations Management a Systems Concept 
U1  - 658.4034 
PY  - 1972///
CY  - New York : 
PB  - Houghton Mifflin, 
KW  - Management Operations
N1  - NN
ER  -