[Place of publication not identified] : [publisher not identified], 1990, UNDP and ESCAP
Buku Teks
Sediono M.P. Tjondronegoro, author
1977
UI - Disertasi (Membership)
Dixon, Ruth B., author
Published for Resources for the Future by the Johns Hopkins Press, 1978
Buku Teks
Dep. Penerangan RI, 1980
Buku Referensi
Artikel Jurnal