Yazdani-Chamzini, A., Yakhchali, S.H., Volungevičienė, D. and Zavadskas, E.K. 2012. Forecasting gold price changes by using adaptive network fuzzy inference system. Journal of Business Economics and Management. 13, 5 (Oct. 2012), 994-1010. DOI:https://doi.org/10.3846/16111699.2012.683808.