International conflict and national public policy issues
edited by Stuart Oskamp
Sage Publications, 1985
 Buku Teks
Oskamp, Stuart
International conflict and national public policy issues
Sage, 1985
 Buku Teks
Dorf, Richard C.
Energy, resources, and policy
Addison-Wesley, 1978
 Buku Teks
Natural resources and international development
edited by Marion Clawson
John Hopkins Press, 1965
 Buku Teks
The land resources of Indonesia: a national overview
Indonesia. Departemen Transmigrasi
Departemen Transmigrasi, 1990
 Buku Referensi