Sikumbang, Supriyanto. “APLIKASI SISTEM SCADA MENGGUNAKAN PROTOKOL KONVERSI RS-232 KE RS-422”. Swara Patra : Majalah Ilmiah PPSDM Migas 2, no. 3 (December 31, 2012). Accessed July 22, 2024. http://ejurnal.ppsdmmigas.esdm.go.id/sp/index.php/swarapatra/article/view/90.