Avila, Elena Hidalgo de <br/><br/>
Sustainable development  perception of members of small-farm families, San Juan, Argentina 
Elena Hidalgo de Avila. 
 - East Lansing, Mich.  Michigan State University  1991. 
 - 127 pages ;    24 cm. 
<br/><br/>Thesis (Ph. D.) - Michigan State University, 1991 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development--Environmental aspects
<br/><br/><label>Subjects--Geographic Terms: </label><br/>San Juan (Argentina)--Economic conditions