Girsang, V. I., Y. Purba, F. L. Saragih, and J. Hutajulu. “Penyuluhan Pencegahan Cacing Nematoda Usus Pada Anak SD Negeri 035937 Kabupaten Dairi”. Jurnal Abdimas Mutiara, vol. 5, no. 2, Aug. 2024, pp. 236-41, https://e-journal.sari-mutiara.ac.id/index.php/JAM/article/view/5203.