Del Fierro, Alfonso C.,  1946- <br/><br/>
Rural-urban migration and differential fertility in the Philippines / 
Alfonso C. Del Fierro 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - University of Kentucky, 1974 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rural--Urban migration--Philippines.