Mager, Peter P., author
Research Studies Press, 1991
Buku Teks
Galuh Wiji Rahayu, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2020
UI - Skripsi (Membership)
Brown, James Dean, author
Cambridge University Press, 1988
Buku Teks
Johnson, Norman L., author
John Wiley & Sons, 1977
Buku Teks
Anderson, Alan J.B., Author
Chapman & Hall, 1994
Buku Teks