Z. Rustam, J. Pandelaki, D. A. Utami, R. Hidayat, and A. A. Ramli, “Comparison Support Vector Machine and Fuzzy Possibilistic C-Means based on the kernel for Knee Osteoarthritis data Classification”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 9, no. 6, pp. 2142–2146, Dec. 2019.