Goslie, Andre, Fikri Tri Fadilah, Supriyadi Supriyadi, and Ahmad Nalhadi. 2018. “Sistem Alarm Untuk Mendeteksi Kedatangan Kereta Api”.
Wikrama Parahita : Jurnal Pengabdian Masyarakat
2 (1): 28-32.
https://doi.org/10.30656/jpmwp.v2i1.612
.