Petra University, "The Role of Information Technology within Modern Library", Petra Auditorium, Surabaya, Indonesia.

IPS Inc., "Step-by-Step COBIT Implementation", Hotel Mulia, Jakarta, Indonesia.

ISACA Indonesia Chapter, "Managing IT Resources using COBIT", Mulia Hotel, Jakarta, Indonesia.

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Indrajit, Richardus Eko, "The Application of Supply Chain Management", Jakarta Post.

Indrajit, Richardus Eko, "Teknologi Informasi: Sarana Penting Pengembangan Retail Banking", Perbankan Magazine.

Indrajit, Richardus Eko, "TI Masuk Kampus: Apa Visi Kita?", Warta Ekonomi.

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