Hooshangian, L. and 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), pp. 105–121. doi: 10.11121/ijocta.01.2014.00183.