FRANDIKA, KURNIADI, Indra Gunawan, Ika Okta Kirana, Sumarno Sumarno, and Zulaini Masruro Nasution. 2021. “PERANCANGAN ALAT ABSENSI BERBASIS ARDUINO UNO DI PT. TELKOM AKSES PEMATANGSIANTAR”. Nusantara of Engineering (NOE) 4 (2), 182 -90. https://doi.org/10.29407/noe.v4i2.16764.