Sambutan Ephorus pada Peresmian Rumah Dinas Sekretaris Jenderal HKBP
Ephorus Huria Kristen Batak Protestan Pdt. Dr. Robinson Butarbutar didampingi Sekjen HKBP Pdt. Dr. Victor Tinambunan, ST, ...
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Computer science is no more about computers than astronomy is about telescopes. - Edsger Dijkstra