Thermal Zones Modelling for an Energy Efficient Commercial Building – Case StudyElena Camelia Tamaş (Papuc), Dragoş Hera, Gianni Flamaropol and Graţiela Maria ŢârleaE3S Web Conf., 111 (2019) 03034DOI: https://doi.org/10.1051/e3sconf/201911103034