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Anatolia Prenada Media Group, 2011
Buku Teks
Atiatul Mu`min, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2008
UI - Skripsi (Open)
Husseini, Sara Leila, author
Brill, 2014
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Plamen Makariev
The Council for Research in Values and Philosophy, 2001
Buku Teks
Deedat, Ahmed, author
Pustaka Al-Kautsar , 1999
Buku Teks