Jamita Minggu Okuli di HKBP Batu Bolon - Pdt. Dr. Deonal Sinaga (Kepala Departemen Koinonia HKBP)

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Computer science is no more about computers than astronomy is about telescopes. - Edsger Dijkstra
Computer science is no more about computers than astronomy is about telescopes. - Edsger Dijkstra