Penny, David Harry. <br/><br/>
The index of economic-mindedness. 

 - Bogor,  Panitia Seksi Dokumentasi, Survey Agro Ekonomi,  1967. 
 - 7 p.  32 cm. 
<br/><br/> "Kutipan dari The transition from subsistence to commercial family farming in North Sumatra." 
<br/><br/>Bibliography: p. 7. 
<br/><br/><label>LCCN: </label>sa 68013461  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects--Indonesia--Sumatra.<br/>Farmers--Indonesia--Sumatra.<br/>Villages--Indonesia--Sumatra.
<br/><br/><label>LC Class. No.: </label>HD2085.S75  / P47 
<br/><br/><label>Dewey Class. No.: </label>338.1/0992/1