Astuti, E., Sugihartini, N., Zainab, Z. and Novitasari, P.R. 2023. Community Service Based on A Training Method for Making Liquid Hand Sanitizers to Prevent The Spread of COVID-19 in Tegalsari Kulon Progo. SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi). 4, 1 (Jun. 2023). DOI:https://doi.org/10.12928/spekta.v4i1.7821.