Santoso, L., Manongga, D., & Iriani, A. (2020). Collaboration Analysis of Semarang City Dengue Hemorrhagic Fever Health Surveillance Officer with Social Network Analysis. INTENSIF: Jurnal Ilmiah Penelitian Dan Penerapan Teknologi Sistem Informasi, 4(1), 1–21. https://doi.org/10.29407/intensif.v4i1.12976