Koor Gabungan Huta Ginjang & Parhalado se-Resort | HUT HKBP Ke-161 di HKBP Huta Ginjang, Samosir
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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