Harahap, Leliana, and Sartika Dewi Purba. 2021. “Decision Support System for Choosing the Best Doctor at Sari Mutiara Hospital Using the Fuzzy Tsukamoto Method”. Jurnal ICT : Information and Communication Technologies 12 (2):1-7. http://ejournal.marqchainstitute.or.id/index.php/JICT/article/view/20.