TY - JOUR TI - Solving high-order nonlinear differential equations using operational matrix based on exponential collocation method AU - ASLEFALLAH, M. AU - ABBASBANDY, S. AU - YÜZBAŞI, S. JO - Sigma Journal of Engineering and Natural Sciences PY - 2023 VL - 41 SP - 689 EP - 698 DO - 10.14744/sigma.2023.00080 ER -