Hutagalung SV, Khairuna Damanik R, Rattaprasert P. Parasite Contamination of Water Source at Pangkalan Masyhur Sub-district, Medan Johor District. Sumat. Med. J. [Internet]. 2024Sep.5 [cited 2025Aug.4];7(3):116-20. Available from: https://talenta.usu.ac.id/smj/article/view/11826