Sitompul, Asrina, Ayu Muzda, and Putri Intan. 2021. “THE RELATIONSHIP OF OUTSIDE HOUSE ACTIVITIES AT NIGHT AND THE USE OF NETS WITH THE EVENT OF MALARIA IN SIBOLGA UTARA DISTRICT YEAR 2021 ”. Science Midwifery 10 (1, October):576-80. https://midwifery.iocspublisher.org/index.php/midwifery/article/view/508.