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https://klas.or.id/2018/03/10/selayang-pandang-roadshow-konferensi-libreoffice-indonesia-2018-batch-2-di-smk-ipiems-surabaya/
Selayang Pandang Roadshow Konferensi LibreOffice Indonesia 2018 Batch 2 di SMK IPIEMS Surabaya