Putri Purwaningrum, J., Purbasari, I. and Puspita Rini, G. (2022) “Innovation of a Grinder Machine for Improvement of Waste Treatment for Craftsmen at Mayong Lor Village, Jepara”, KnE Social Sciences, 7(19), pp. 392–399. doi: 10.18502/kss.v7i19.12459.