00278nam a2200109Ia 450000500170000000800410001708200170005810000190007524500340009426000310012830000090015920260205052756.0260111s9999||||xx |||||||||||||| ||und||  a338.5  SU46M  aSingh, Sukhpal 0aPrice theory and distribution  aChandigarhbAbhishekc2000  av.p.