Goslie A, Fadilah FT, Supriyadi S, Nalhadi A. Sistem Alarm untuk Mendeteksi Kedatangan Kereta Api. JPMWP [Internet]. 2018 May 31 [cited 2024 Nov. 24];2(1):28-32. Available from: https://e-jurnal.lppmunsera.org/index.php/parahita/article/view/612