Darmawan, Didiet, Mohammad Isa Irawan, and Arie Dipareza Syafei. “Data Driven Analysis Using Fuzzy Time Series for Air Quality Management in Surabaya”. Sustinere: Journal of Environment and Sustainability 1, no. 2 (December 29, 2017): 131–143. Accessed May 4, 2025. https://sustinerejes.com/index.php/a/article/view/13.