SUBRI, Siti Sunaidah Sukma; MAT ZAKI, Norkiah; RAMLI, Rosniza. A Critical Review on LPG Gas Leakage Detection and Monitoring System. Jurnal Sains Sosial dan Pendidikan Teknikal | Journal of Social Sciences and Technical Education (JoSSTEd), [S.l.], v. 2, n. 2, p. 1-14, nov. 2021. ISSN 2716-6740. Available at: <https://myjms.mohe.gov.my/index.php/jossted/article/view/16044>. Date accessed: 29 may 2022.