T. S. a/p Sitan and A. S. Ab Ghafar, “Liquefied Petroleum Gas (LPG) Leakage Detection and Monitoring System”, jst, vol. 10, no. 3, Dec. 2018, Accessed: Apr. 29, 2024. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/JST/article/view/2587