Search Results - Rizkiyan Hadi

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    Posisi matahari pada saat ekuinoks, summer solstice, dan winter solstice di observatorium ilmu falak Universitas Muhammadiyah Sumatera Utara by Abu Yazid Raisal, Hariyadi Putraga, Muhammad Hidayat, Rizkiyan Hadi

    Published 2020
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