Barrow, Christopher J.
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
Kreps, Juanita M.
Our natural resources their development and use
Wilson, 1955
Buku Teks