Wollenberg, Eva Karoline <br/><br/>
Urban markets and rural resource productivity  incentives for soil conservation among upland farmers in the Philippines /  [microform] : 
by Eva Karoline Wollenberg 
 - Ann Arbor, Mich. :  University Microfilms International,  1992 
 - 4 microfiches ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.) - University of California, 1991 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Markets--Philippines<br/>Soil conservation--Philippines<br/>Land use--Philippines<br/>Farmers--Philippines<br/>Incentives in conservation of natural resources