Eka Darmaputera
BPK Gunung Mulia, 1992
Buku Teks SO
Crouch, Andy, author
Literatur Perkantas Jatim, 2011
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Maxwell, John C., author
Menuju Insan Cemerlang, 2014
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FK-UNAIR, 1967
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Eka Darmaputera
Gunung Mulia, 1992
Buku Teks SO