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Ajeng Pratiwi, Mohamad Sofie, Bayu Wahyudi. Rancang Bangun Kontrol Bed Pasien 3 Crank dengan System Safety Lock. JHTPH [Internet]. 2024 May 31 [cited 2025 Oct. 3];1(2):01-16. Available from: https://ejournal.stikessemarang.ac.id/index.php/JHTPH/article/view/1