Utilization of Machines to Produce Craft Raw Materials from Doyo Leaf Fiber Ratna Wulaningrum, Dwi Cahyadi, Suparno and Ferry Bayu Setiawan E3S Web Conf., 500 (2024) 03027 Published online: 11 March 2024 DOI: 10.1051/e3sconf/202450003027