Sarmad Fawzi Hamza Alhasan, Mothana A. Hassan, Zaid T. Salim, Reem M. Khalaf, Makram A. Fakhri, Motahher A. Qaeed, Ahmed A. Al-Amiery and Subash C. B. Gopinath 2025. Pure and Doped Gallium Nitride-Based Gas Sensor: A Review. International Journal of Nanoelectronics and Materials (IJNeaM) . 18, June (Jul. 2025), 227–240. DOI:https://doi.org/10.58915/ijneam.v18iJune.2358.