Firdaus S, Artika KD, Suhartono RG. RANCANG BANGUN PENANDA KECEPATAN SEPEDA MOTOR LISTRIK BERBASIS OPTICAL SENSOR. Elemen [Internet]. 2017Dec.29 [cited 2024May7];4(2):120-4. Available from: https://je.politala.ac.id/index.php/JE/article/view/62