Hidayat, Muhammad, Universitas Muhammadiyah Sumatera Utara, Indonesia
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INSIS 5 (March 2023) - Articles
ACCURACY TEST OF BRUNTON COMPASS AND SUUNTO COMPASS IN MEASURING QIBLA DIRECTION
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INSIS 6 (February 2024) - Articles
DEVELOPING STUDENT ASTRONOMY MATEMATICS BOOKS USING 4D MODELS (DEFINE, DESIGN, DEVELOP, DISSEMINATE)
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