Demand curves  [motion picture] / 
made by BBC-TV ; presented by F.S. Brooman 
 - Milton Keynes :  Open University,  1971 
 - 1 film reel (25 min.) :  sd., b&w. ;  16 mm. 
 - Open University/Understanding society  D100, film no.10 .
<br/><br/> This film discuss about relation between'demand for a consumer commodity' and price  Converted into VHS 1/2 in. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microeconomics<br/>Supply and demand