Artikel Jurnal
Muchammad Ali Safa'at and sixteen others; H. Muchamad Ali Safa'at, editor
UB Press, 2014
Buku Teks
Artikel Jurnal
A. Setiadi, author
Citra Aditya Bakti, 1996
Buku Teks
Surahmin, author
Universitas Indonesia, 2003
UI - Skripsi (Membership)