00455nam a22001697a 4500003000400000008004100004020001800045082001600063100001800079245004800097250002900145260004600174300001700220650002000237650001400257650001400271OSt251015b        |||||||| |||| 00| 0 eng d  a9789389713978  a330.1bC54P  aChopra, P. N.  aPrinciples of Economics / cby P. N. Chopra  a12th revised ed. reprint  a.- Ludhianab: Kalyani Publishersc, 2024  a(1.2-33.8)p.  aSocial Sciences  aEconomics  aEconomics