Anggriyani, R., Lukiyono, Y.T. , Andini, A. and Santoso, A.P.R. 2024. Hand washing behavior using soap and not using soap on the incidence of ascariasis in children in grades 1-3 at Simokerto Elementary School. Environmental and Toxicology Management. 3, 2 (Oct. 2024), 38–42. DOI:https://doi.org/10.33086/etm.v3i2.6400.