Aptika Oktaviana Trisna Dewi 2024. Training on Making Hand Washing Liquid Soap from Green Tea at PKK Mothers in Kranggan Village, Polanharjo, Klaten as an Effort to Improve Community Health and Economy. JURNAL PENGABDIAN TEKNOLOGI TEPAT GUNA. 5, 1 (Mar. 2024), 42–50. DOI:https://doi.org/10.47942/jpttg.v5i1.1498.