Hermawan, Diki, and Eko Setiawan. “Prototype of Gas Warning Monitoring Application Using Mobile Android Smartphone : A Case Study”. IJNMT (International Journal of New Media Technology) 4, no. 1 (June 30, 2017): 17-24. Accessed December 4, 2024. https://ejournals.umn.ac.id/index.php/IJNMT/article/view/533.