00539 a2200193 4500 132823 OSt 20220228113602.0 9788120301412 330.1 B32E Baumol, William J Economic theory and operations analysis by William J Baumol 4th ed. New Delhi PHI Learning 2010 695p. Economics, Mathematical; Operations research; Mathematical analysis ddc BK 7168 7168 0 0 ddc 0 0 TXB CURAJ CURAJ 2012-07-13 COM 0 330.1 B32E 10457 2024-11-21 2020-09-02 BK