mahardi, R., & Shodiqin, A. (2021). Smart Relay Based Automatic Transfer Switch in Internet Server Room: Automatic Transfer Switch Berbasis Smart Relay Pada Ruang Server Internet. Edukasi Elektromatika, 2(1), 42–47. Diambil dari https://jurnal.sttp.ac.id/index.php/ojssttpati/article/view/42