Ventolo, William L. <br/><br/>
Mastering real estate mathematics  a self-instructional text G.E. Irby, consulting editor 
William L. Ventolo, Jr., Wellington J. Allaway 
 - 4th ed. 
 - Chicago  Real Estate Education Co.  c1985 
 - 358p.  ill. :  28cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business mathematics--Real estate business--Programmed instruction
<br/><br/><label>Dewey Class. No.: </label>333.33  / 01  / 5121