Dasar-dasar ekologi
1993
Buku Teks
Odum, Eugene Pleasants
Dasar-dasar ekologi
Gadjah Mada University Press, 1996
Buku Teks
Odum, Eugene Pleasants
Dasar-dasar ekologi
Gadjah Mada University Press, 1996
Buku Teks
Ekologi = Ecology
Yayasan Obor Indonesia, 1988
Buku Teks
Seyhan, Ersin
Dasar-dasar hidrologi = Fundamentals of hydrology
Gadjah Mada University Press , 1990
Buku Teks