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This is to certify that your paper entitled «Eigenvalue intervals of parameters for iterative systems of nonlinear Hadamard fractional boundary value problems» was indexed with 17 pages, in the CIVILICA citation database, code COI:JR_CMDE-12-4_012, after evaluation and approval of the referees of the "Computational Methods for Differential Equations Vol 12, Issue 4 , Year 2024.

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