Development of ammonia gas sensor based on Ni-doped reduce graphene oxideThanva Tubthong, Anurat Wisitsoraat, Chookiat Tansarawiput, Pakorn Opaprakasit and Paiboon SreearunothaiMATEC Web Conf., 192 (2018) 02048DOI: https://doi.org/10.1051/matecconf/201819202048