Miraza, E., A. Gani, M. Dj., I. Lubis, and C. Lubis. “Intestinal Parasitic Infestation in Children at Three Kindergartens in Medan, North Sumatera”. Paediatrica Indonesiana, Vol. 32, no. 11-12, Jan. 2019, pp. 312-7, doi:10.14238/pi32.11-12.1992.312-7.