“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” (2026) Rojava Journal of Science and Technology, 3(1). Available at: https://rojavajournalscitech.ac/journal/article/view/48 (Accessed: 29 September 2026).