Irawan, Andik, Dicky Adi Tyagita, and Naning Retnowati. 2020. “Crystallization Machine for Making Supplements to Prevent Covid 19 in Kemuning Lor Village, Jember”. J-Dinamika : Jurnal Pengabdian Masyarakat 5 (2):11-14. https://doi.org/10.25047/j-dinamika.v5i2.2396.