FIRDAUS, S.; ARTIKA, K. D.; SUHARTONO, R. G. RANCANG BANGUN PENANDA KECEPATAN SEPEDA MOTOR LISTRIK BERBASIS OPTICAL SENSOR. ELEMEN : JURNAL TEKNIK MESIN, [S. l.], v. 4, n. 2, p. 120–124, 2017. DOI: 10.34128/je.v4i2.62. Disponível em: https://je.politala.ac.id/index.php/JE/article/view/62. Acesso em: 7 may. 2024.