Valorization of Doum Palm Fibers and EPS Waste into Lightweight Bio-Composites for Energy-Efficient BuildingsAhmed Mazouji, Mohammed Drissi, Othmane Horma, Mohammed Kaddouhi, Mohammed Amine Moussaoui and Ahmed MezrhabE3S Web Conf., 680 (2025) 00087DOI: https://doi.org/10.1051/e3sconf/202568000087