DINESH C. BIRAJDAR; KIRAN R. INGOLE; ANIKET S. PAWAR. AUTOMATIC UNMANNED RAILWAY GATE CROSSING SYSTEM . International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, v. 7, n. 3, p. 1–8, 2021. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/2078.. Acesso em: 1 may. 2024.