Jakarta,sinar nikatsu electric works,
Majalah, Jurnal, Buletin
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Gramedia Pustaka Utama, 1995
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Davies, E
Kesaint Blanc Indah, 1996
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Lukman Fauroni, author
Iman, 2006
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Ary Ginanjar Agustian, author
Arga Wijaya Persada, 2001
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