Jawad, M.A.S., Murti, R.H.A. and Sitogasa, P.S.A. 2021. Community Empowerment: Used Cooking Oil Recycle to Produce Handwash Soap as a Commercial Souvenir Product in Surakarta. abdimesin. 1, 2 (Oct. 2021), 27–32. DOI:https://doi.org/10.33005/abdi-mesin.v1i2.19.