Ardi, Syahril, and Apit Hidayat. 2015. “OTOMATISASI SISTEM KONTROL MESIN TURNING HEAD NTVS-485 BERBASIS SISTEM KENDALI PLC OMRON CS1G-CPU42H”. SINERGI 19 (2). Jakarta, Indonesia:159-64. https://doi.org/10.22441/sinergi.2015.2.011.