Indonesia : resources, ecology, and environment
edited by Joan Hardjono
Oxford University Press, 1991
 Buku Teks
Etherington, John R.
Environment and plant ecology
John Wiley & Sons, 1982
 Buku Teks
Southwick, Charles H.
Ecology and the quality of our environment
D. Van Nostrand, 1976
 Buku Teks
Southwick, Charles H.
Ecology and the quality of our environment
D. Van Nostrand, 1972
 Buku Teks
Indonesia : resources, ecology, and environment
edited by Joan Hardjono
Oxford University Press, 1991
 Buku Teks