Azhari, Bachtiar, Rifki Fahrial Zainal, and Rani Purbaningtyas. “Grouping of Books Type Based by Time Borrowing (months) Using Fuzzy C-Means Algorithm. (case Study: Surabaya Public Library)”. JEECS (Journal of Electrical Engineering and Computer Sciences) 2, no. 1 (June 30, 2017): 239–246. Accessed November 14, 2024. https://ejournal.ubhara.ac.id/jeecs/article/view/168.