Abdul Hannan, M., A.S. Mohd Zain, F. Salehuddin, H. Hazura, S.K. Idris, A.R. Hanim, AM AH, and NSS Mohd Yusoff. 2018. “Development of LPG Leakage Detector System Using Arduino With Internet of Things (IoT)”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 10 (2-7):91-95. https://jtec.utem.edu.my/jtec/article/view/4432.