Fenjan, D. A., B. R. Mahdi, and H. A. Yusr. “Graphene Oxide-Coated Mach-Zehnder Interferometer Based Ammonia Gas Sensor”. Nexo Scientific Journal, vol. 36, no. 06, Dec. 2023, pp. 1132-40, doi:10.5377/nexo.v36i06.17469.