Azman MI, Wan Kairuddin WNH. IoT-Based Early Warning Detection System for LPG Leakage Using Raspberry Pi. EEEE [Internet]. 2022 Nov. 14 [cited 2026 Apr. 8];3(2):467-73. Available from: https://penerbit.uthm.edu.my/periodicals/index.php/eeee/article/view/7766