KHAFIDZ HAMDANI, MOHAMMAD, and SUPARDIYONO SUPARDIYONO. “Rancang Bangun Alat Praktikum Gerak Jatuh Bebas Digital Berbasis Sensor Inframerah”. IPF: Inovasi Pendidikan Fisika 9, no. 3 (July 8, 2020): 410–416. Accessed July 12, 2025. https://ejournal.unesa.ac.id/index.php/inovasi-pendidikan-fisika/article/view/35420.