Hackenberg, Robert A. <br/><br/>
The poverty explosion :  population increase and income decline in Davao City/ 
Robert A. Hackenberg 
 - Davao City :  [s.n.],  1972. 
 - 52 leaves :   ill. 
<br/><br/> Mimeographed. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Income distribution--Philippines--Davao City.<br/>Poverty.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>*Davao City--Economic conditions.<br/>Davao City--Population--Economic aspects.