T. H. Sylvester, U. E. Sunday, A. U. Dominic, and U. Joy Ijeoma, “CAPUTO-FABRIZIO FRACTIONAL DERIVATIVES OF AGE-STRUCTURED DIPHTHERIA INFECTION MODEL WITH LAPLACE ADOMIAN DECOMPOSITION ANALYSIS.”, m, vol. 8, no. 09, pp. 38-65, Oct. 2025.