Leida, Hansk K., author
ACTEX Publications, 2015
Buku Teks
by Ronald J. Bocage ... [and others]
Health Insurance Association of America, 1994
Buku Teks
Faulkner, Edwin J., author
McGraw-Hill, 1940
Buku Teks
Risza Bambang B. S., author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1992
UI - Skripsi (Membership)
Achmad Subianto, author
Taspen , 2004
Buku Teks