The potential utilization of solid waste as alternative fuel in cement industry (case study of PT Semen Padang)Yenni Ruslinda, Arraisya Rohasyah, Resti Ayu Lestari and Sarman DurmalayE3S Web Conf., 464 (2023) 11010DOI: https://doi.org/10.1051/e3sconf/202346411010