Hooshangian, L., & Allahviranloo, T. (2014). A New Method to Find Fuzzy Nth Order Derivation and Applications to Fuzzy Nth Order Arithmetic Based on Generalized H-Derivation. An International Journal of Optimization and Control: Theories & Applications (IJOCTA), 4(2), 105–121. https://doi.org/10.11121/ijocta.01.2014.00183