Gaya APA
Natoradjo, S.
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Event Organizing dasar-dasar Event Management
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Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
Natoradjo, Sulyus.
"Event Organizing dasar-dasar Event Management".
1
Jakarta:
PT Gramedia Pustaka Utama,
2011.
Buku KPI.