Kombes Maruli Siahaan Sukses Didik Anak: Jaya di Darat, Jaya di Laut, Jaya di Udara, Jaya di 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
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huriakristenbatakprotestan #diesnatalis #stt #stthkbp.