C. Kpobie, I. E. Okoli, and D. U. Osahor, “Duplicate, Split, and Ineligible Payment Detection in Federal Grant and Healthcare Reimbursement: A Critical Review”, IJTMH, vol. 4, no. 04, pp. 60–90, Dec. 2018, doi: 10.21590/ijtmh.4.04.06.