Development of A Resistive Sensor Array Based on Graphene and Conducting Polymer Composites for Coffee Aroma ClassificationTri Mulyono, Asnawati Siswoyo, Puji Bunga Lestari, Zulfikar and Yeni Maulidah MuflihaE3S Web Conf., 481 (2024) 06012DOI: https://doi.org/10.1051/e3sconf/202448106012