Concepcion, Rogelio Navea,  1942- <br/><br/>
A quantitative land evaluation technique for rainfed agriculture in a developing country (the Philippines)  [microform] / 
by Rogelio Navea Concepcion 
 - Ann Arbor, Mich. :  University Microfilms International ,  1983 
 - 5 microfiches ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.)-Cornell University, 1983 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Land capability for agriculture--Philippines