Husni Iskandar Pohan, Sutoto, Yaya Heryadi, & 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), 6658–6667. https://doi.org/10.53555/kuey.v30i4.2460