Kartini, S., and E. Angelia. “Utilization of Juice Beta Vulgaris. L As an Alternative Reagent for Examination of Worm Eggs Ascaris Lumbricoides”. JPK : Jurnal Proteksi Kesehatan, Vol. 10, no. 1, July 2021, pp. 20-25, doi:10.36929/jpk.v10i1.339.