00310nam a2200121 a 450000500170000008200200001710000160003724500250005325000120007826000400009030000250013063000330015520251202164309.0  a330.024658bSAN  aSankaran. S  aManagerial Economics  a4th ed.  aChennaibMargham Publicationsc1999  axv, 625p.c24 cm. PB  aManagerial Economics-A study