Husni Iskandar Pohan, Sutoto, Yaya Heryadi, Harjanto Prabowo. Using Maps As A Factor To Increase The Accuracy Of Collaborative Filtering In Providing Recommendations Regarding Cluster-Based Diseases Covid-19, Varicella And Dengue. kuey [Internet]. 2024 Apr. 26 [cited 2024 May 19];30(4):6658-67. Available from: http://kuey.net/index.php/kuey/article/view/2460