Yuliska, Yuliska, and Khairul Umam Syaliman. 2020. “Peningkatan Akurasi K-Nearest Neighbor Pada Data Index Standar Pencemaran Udara Kota Pekanbaru”. IT Journal Research and Development 5 (1):11-18. https://doi.org/10.25299/itjrd.2020.vol5(1).4680.