Al-Ghazali, author
Karisma, 2005
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Suwarno Imam S., author
RajaGrafindo Persada, 2005
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Istiadah, author
Gramedia, 2005
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Yudhistira Tegar Setiawan, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia , 2019
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Muhammad Iqbal, author
Jalasutra, 2002
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