rajagukguk, Tiara, and Erlan Aritonang. “Identification Of Trichuris Trichiura Worms Eggs in 6-8 Years Old Elementary School Children At GKPS Private Elementary School, Saribudolok, Simalikuta, Simalungun”. JURNAL ANALIS LABORATORIUM MEDIK 7, no. 2 (December 10, 2022): 97–103. Accessed September 19, 2024. http://114.7.97.221/index.php/ALM/article/view/3462.