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		Helmahera, D., 		Wiharta, D., & 		Suartika, I.
(2020).
 PERANCANGAN SISTEM PENGUNCIAN RODA SATU ARAH UNTUK MENGEMUDIKAN KENDARAAN RODA EMPAT DI JALAN MENANJAK.
<em>Jurnal SPEKTRUM, 7</em>(4), 108-114.
doi:10.24843/SPEKTRUM.2020.v07.i04.p14