නිෂ්පාදන න්යාය
Patabendige , Ananda
නිෂ්පාදන න්යාය - Kelaniya Author 2000 - xi,281 p. 21 cm.
9559653512
PRODUCTION ECONOMICS - THEORY
PRODUCTION ECONOMICS
THEORY OF PRODUCTION
ECONOMICS
338.001 / PAT
නිෂ්පාදන න්යාය - Kelaniya Author 2000 - xi,281 p. 21 cm.
9559653512
PRODUCTION ECONOMICS - THEORY
PRODUCTION ECONOMICS
THEORY OF PRODUCTION
ECONOMICS
338.001 / PAT