UMAR, Marjoni Imamora Ali; KURNIAWAN, Dany; LIZELWATI, Novia. Fabrication of Digital Harmonic Vibration Practicum Using Phototransistor Sensor with Arduino-Uno Microcontroller. Jurnal Penelitian Pendidikan IPA, [S. l.], v. 7, n. 3, p. 468–473, 2021. DOI: 10.29303/jppipa.v7i3.835. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/835. Acesso em: 3 may. 2024.