Kasprzak, Zofia, author
Quantitative and qualitative development of natural and agricultural science resources in the agro database (2009-2016)
Task, 2017
 Artikel Jurnal
Barrow, Christopher J., author
Water resources and agricultural development in the tropics
Essex Longman Scientific & Technical, 1987
 Buku Teks
Natural resources and development
Federal Republic of Germany, 1977
 Buku Teks
Natural resources and international development
edited by Marion Clawson
John Hopkins Press, 1965
 Buku Teks
Mining : Natural Resources Development
 Artikel Jurnal
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