García, Fernando, Francisco Guijarro, Javier Oliver, and Rima Tamošiūnienė. “Hybrid Fuzzy Neural Network to Predict Price Direction in the German DAX-30 Index”. Technological and Economic Development of Economy 24, no. 6 (November 21, 2018): 2161-2178. Accessed November 9, 2024. https://jbem.vilniustech.lt/index.php/TEDE/article/view/6394.