Wardani, Rahmania, Sugiyarto Surono, and Goh Wen. “OPTIMIZATION OF PORTFOLIO USING FUZZY SELECTION”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 16, no. 4 (December 15, 2022): 1325-1336. Accessed December 26, 2024. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/6306.