The strategic isuues of agriculture development in NKRI
 Artikel Jurnal
Agriculture in economic development
edited by Carl Eicher and Lawrence Witt
McGraw-Hill , 1964
 Buku Teks
Subsistence agriculture and economic development
edited by Clifton R. Wharton
Aldine Publishig, 1969
 Buku Teks
World development report 1982: international development trends agriculture and economic development
World Bank
Oxford University Press, 1982
 Buku Teks
Grijp, Paul van der, author
Identity and development: Tongan culture, agriculture, and the perenniality of the gift
KITLV Press, 2004
 Buku Teks
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