Rofi i, Mohamad, Mohamad Sofie, and Patrisius Kusi Olla. “Pengembangan Bag Valve Mask (BVM) Otomatis”. Elektrika 14, no. 1 (April 30, 2022): 30–34. Accessed June 29, 2026. https://journals.usm.ac.id/index.php/elektrika/article/view/4988.