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LKIS Yogyakarta, 2001
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Program Pascasarjana Universitas Indonesia, 2002
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Khallaf, Abdul Wahhab, author
Tiara Wacana Yogya, 1994
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Lilis Nury Soeharso, author
Fakultas Hukum Universitas Indonesia, 1992
UI - Skripsi (Membership)
Audah, Abd. Kadir, author
Djawatan Penerangan Agama Departemen Agama, 1959
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