Abdeljawad, T., F. Jarad, A. Atangana, and P. O. . Mohammed. “On a New Type of Fractional Difference Operators on H-Step Isolated Time Scales: Weighted Fractional Difference Operators”. Journal of Fractional Calculus and Nonlinear Systems, vol. 1, no. 1, Mar. 2021, pp. 46-74, doi:10.48185/jfcns.v1i1.148.