Sinaga, Manotar, and Crishartanto Simanungkalit. “Aedes Aegypti Larva Density in Angin Nauli Village, North Sibolga District”. Science Midwifery 9, no. 1, Oktober (October 31, 2020): 187–191. Accessed June 18, 2026. https://midwifery.iocspublisher.org/index.php/midwifery/article/view/73.