Gunawan, M. S.; Kurniaji, R.; Arribathi, A. H.; Rahardja, U.; Fern, L. Automating Hazardous Gas Mitigation in Enclosed Areas Using Smart Contracts and Sensors. BFRONT 2026, 6 (2), 229∼240. https://doi.org/10.34306/b-front.v6i2.1200.