Lumsden, Keith <br/><br/>
Microeconomics: a programmed book 
by Keith Lumsden... [et. al.] 
 - Englewood Cliffs, N.J.  Prentice-Hall  1966 
 - 179p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics, Mathematica
<br/><br/><label>Dewey Class. No.: </label>T108 L971