Sinaga, M., & Crishartanto Simanungkalit. (2020). Aedes Aegypti Larva Density in Angin Nauli Village, North Sibolga District. Science Midwifery, 9(1, Oktober), 187–191. Retrieved from https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/73