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Gambar 2.3 Contoh Binary Relationship
Sumber: Connolly dan Begg, 2005, p347
Gambar 2.4 Contoh Ternary Relationship
Sumber: Connolly dan Begg, 2005, p348
Gambar 2.5 Contoh Quaternary Relationship
Sumber: Connolly dan Begg, 2005, p349
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