TY  - BOOK
AU  - Oudemans,Robert
TI  - Simalungun agriculture: some ethnogeographic aspects of dualism in North Sumatra development 
PY  - 1973///
CY  - Ann Arbor, Mich.
PB  - University Microfilms International
KW  - Agriculture
KW  - Economic aspects
KW  - Indonesia
KW  - Rural development
N1  - Thesis (Ph.D.) - University of Maryland, 1973
ER  -