Ahmad Arif Zulfikar
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2017
UI - Skripsi Membership
Husain, S.K.
Oxford & IBH Publishing, 1982
Buku Teks SO
Schwab, Glenn Orville, 1919-
New York: John Wiley & Sons, 1957
Buku Teks
McGhee, Terence J.
McGraw-Hill, 1991
Buku Teks SO
Babbitt, Harold Eaton, 1888-
McGraw-Hill, 1962
Buku Teks SO