TY  - BOOK
AU  - Gopalakrishnan, P
TI  - Purchasing and materials management
SN  - 0 07 451650 7
U1  - 658 .72 
PY  - 1990///
CY  - New Delhi
PB  - Tata Mc Graw -Hill Publishing Company Limited
KW  - Inventory management
ER  -