Daniel Limantara, A. ., Nisa, V. F. ., Gardjito, E. ., Subiyanto, B., Nursandah, F., Sudarmanto, H. L. ., Limantara, V. A. ., Prayogo, D. ., Situmorang, A., & Mudjanarko, S. W. . (2020). Modeling of Automatic Door at Railroad Crossing Without Guard Based on Internet of Things in Indonesia. International Journal of Integrated Engineering, 12(9), 140-148. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/7571