Muhammad Luthfi Ubaidillah
Program Pascasarjana Universitas Indonesia, 2004
UI - Tesis Membership
Naupal
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2015
UI - Publikasi
Khan, Hazrat Inayat
The Sufi International Headquarter's, 1956
Buku Teks SO
Hall, Harrison
Wadsworth, 1986
Buku Teks SO
Landau, Rom, 1899-
George Allen and Unwin, 1959
Buku Teks SO