Miraza, E. M., A. Gani, M. K. Dj., I. Z. Lubis, and C. P. 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.