Del Pinal, Jorge. <br/><br/>
Manual for the micro-computer version of computer programs for demog raphic analysis / 
by Jorge Del Pinal. 
 - Columbia :   Westing House Public Applied Systems,   1975. 
 - 35 p. ;   21 cm. 
<br/><br/>Includes bibligraphical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Computer programs.<br/> Demography.