Visser, Leontine E.
My rice field is my child: social and territorial aspects of swidden cultivation in Sahu, Eastern Indonesia
Faris Publications, 1989
Buku Teks SO
Subsistence agriculture and economic development
edited by Clifton R. Wharton
Aldine Publishig, 1969
Buku Teks
Agriculture in economic development
edited by Carl Eicher and Lawrence Witt
McGraw-Hill , 1964
Buku Teks SO
Bustanul Arifin
The economics of shifting cultivation system in forest land; farm-level evidence from Sumatera, Indonesia
1999
Artikel Jurnal
The strategic isuues of agriculture development in NKRI
Artikel Jurnal