Bank Dunia, 1981
Buku Teks
Collhaas, W.P.H., author
Bhratara, 1971
Buku Teks
Holmes, Derek, author
Puslitbang Biologi, 1999
Buku Teks
Holmes, Derek, author
Puslitbang Biologi, 1999
Buku Teks
Carnegie, Dale
Apollo, [date of publication not identified]
Buku Teks