LOTUS APPROACH .. (1995). Lotus approach versi 3.0 for windows. LPK Wahana dan Andi Offset.
Chicago Style aipamenaLOTUS APPROACH .. Lotus Approach Versi 3.0 for Windows. Yogyakarta: LPK Wahana dan Andi Offset, 1995.
MLA aipamenaLOTUS APPROACH .. Lotus Approach Versi 3.0 for Windows. LPK Wahana dan Andi Offset, 1995.
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