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Sandhy F, Armila A, Arief R. Rancang Bangun Alat Penyapu Lantai Semi Mekanik untuk Kampus Universitas Muhammadiyah (UM) Sumbar. jtm [Internet]. 30Dec.2022 [cited 25Apr.2026];15(2):78 -3. Available from: http://ejournal2.pnp.ac.id/index.php/jtm/article/view/854