Rachmawardani, A. et al. 2026. Characterization of MQ-2, MQ-7 and MQ-135 Gas Sensors for Arduino-Based Smoke Detection. Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram. 14, 3 (Jun. 2026), 1718–1732. DOI:https://doi.org/10.33394/j-ps.v14i3.21385.