TY  - BOOK
AU  - WILLIAMSON, E,MAHOWER, M. S
TI  - TEACH YOURSELF BOOKS OPERATIONAL RESEARCH PROBLEMS TECHNIQUES AND EXCERCISES
SN  - 0-340-05975-3
U1  - 658.4034 MAK'T 
PY  - 1970///
CY  - LONDON
PB  - HCE
ER  -