00358    a2200109   4500082001500000100001900015245008100034260007000115300001500185650003300200650001500233  a338.5bKOT  aKotagama, H.B.  aPrinciples of economicsbmicroeconomics b master of business administration  aPeradeniyabDept. of Agricultural Economics & Business Management  a44p.c28cm  aGeneral production economics  aProduction