Galang Pandusatya, dan Syahril Ardi DS. MODIFIKASI SISTEM KONTROL MESIN GRAVITY DIE CASTING BERBASIS PLC OMRON CJ1M CPU-21 dan HMI OMRON NT21. T [Internet]. 2017 Aug. 15 [cited 2024 Nov. 23];7(1). Available from: https://technologic.polytechnic.astra.ac.id/index.php/firstjournal/article/view/201