Effect of Methanol Vapor on an MQ2-MQ7-MQ9-MQ135 Metal-Oxide Gas Sensor Array: Normalized Response Fingerprints, Dynamic Behavior, and Electronic-Nose Front-End Implications. Rojava Journal of Science and Technology, [S. l.], v. 3, n. 1, 2026. Disponível em: https://rojavajournalscitech.ac/journal/article/view/48. Acesso em: 29 sep. 2026.