Chandra Rujianto
Meretas ideologi tekstual dalam screwtape letters
2010
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Said Nursi
The letters / Said Nursi
Kaynak, 1998
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Sharma, Robin
The secret letters of the monk who sold his Ferrari
HarperElement, 2011
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Zeffry Alkatiri
My Allah, My Rasul, and Your Hajj
Akbar Media, 2014
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Wright, Jason F.
The wednesday letters : surat cinta di hari Rabu
Gagas Media, 2008
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