Fordham, R.
Collins, 1985
Buku Teks
Aurora Febrianti Naser, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2020
UI - Skripsi (Membership)
Delorit, Richard J., author
Prentice-Hall, 1967
Buku Teks
Muhammad Ashraf, editor
[, Springer], 2012
eBooks
by Douglas D. Bishop ... [et al.]
McGraw-Hill, 1983
Buku Teks