Agus Purwadianto ... [and others]
Teraju : Center for Spirituality & Leadership, 2004.
Buku Teks SO
Guessoum, Nidhal, 1960-
Mizan Pustaka, 2011
Buku Teks SO
Bucaille, Maurice
Bulan Bintang, 1987
Buku Teks SO
Capra, Fritjof
Fontana Paperbacks, 1982
Buku Teks SO
Butterfield, Herbert
Free Press, 1957
Buku Teks SO