Improving tax administration in developing countries
edited by Richard M. Bird and Milka Casanegra de Jantscher
International Monetary Fund, 1992
 Buku Teks SO
Management of human resources concepts for developing nations
compiled by Harry R. Knudson, in collaboration with David P. Gustafson
Addison-Wesley, 1967
 Buku Teks SO
Mining : Natural Resources Development
 Artikel Jurnal
Tropical resources : ecology and development
edited by Jose I. Furtado
Harwood Academic , 1990.
 Buku Teks
Ginzberg, Eli, 1911-
The development of human resources
McGraw-Hill, 1966
 Buku Teks SO