LEVIN (Richard I./ McLAUGHLIN (Curtis P.)/ KOTTAS, . (1983). Production and Operations Management. New Delhi: Tata McGraw-Hil Publication Company Limited . Delhi.
LEVIN (Richard I./ McLAUGHLIN (Curtis P.)/ KOTTAS, . 1983. Production and Operations Management. New Delhi: Tata McGraw-Hil Publication Company Limited . Delhi.
LEVIN (Richard I./ McLAUGHLIN (Curtis P.)/ KOTTAS, . Production and Operations Management. New Delhi: Tata McGraw-Hil Publication Company Limited . Delhi. 1983.
