Karanfil, Salih. «Obtaining the Membership Function by Using the Neural Network in Istanbul Stock Exchange to Find the Relation Between the Low and Closing Prices». Pro Mathematica 15, no. 29-30 (febrero 10, 2001): 61–79. Accedido diciembre 12, 2025. https://revistas.pucp.edu.pe/index.php/promathematica/article/view/8167.