%0 Journal Article %T Solving high-order nonlinear differential equations using operational matrix based on exponential collocation method %A ASLEFALLAH, M. %A ABBASBANDY, S. %A YÜZBAŞI, S. %J Sigma Journal of Engineering and Natural Sciences %D 2023 %V 41 %P 689-698 %R 10.14744/sigma.2023.00080