TY  - BOOK
AU  -  Tiwari, N. K.
AU  - Shandilya, Shishir K.
TI  - Operations research
SN  - 9788120329669
U1  - 519 TIW 
PY  - 2022///
CY  - Delhi
PB  - PHI Learning Private Limited
KW  - Operations research
ER  -