Husni Iskandar Pohan, Sutoto, Yaya Heryadi and Harjanto Prabowo 2024. Using Maps As A Factor To Increase The Accuracy Of Collaborative Filtering In Providing Recommendations Regarding Cluster-Based Diseases Covid-19, Varicella And Dengue. Educational Administration: Theory and Practice. 30, 4 (Apr. 2024), 6658–6667. DOI:https://doi.org/10.53555/kuey.v30i4.2460.