TY  - BOOK
AU  - Penny,David Harry
TI  - Case studies of subsistence and transition: example: North Sumatra, Indonesia
AV  - HD2085.S75 P45
PY  - 1964///?]
CY  - [Medan?
KW  - Agriculture
KW  - Economic aspects
KW  - Indonesia
KW  - Sumatera Utara
N1  - Caption title; Bibliography: leaf 12
ER  -