Liana, T.M.M., Soekatendel, E.W. and Aryanti, M. 2024. Enhancing Personnel Performance Through Competence and Leadership: The Mediating Role of HR Development as a Catalyst for Economic Advancement in the North Sumatra Regional Police. International Journal of Economics Development Research (IJEDR). 5, 6 (Dec. 2024), 5483–5494. DOI:https://doi.org/10.37385/ijedr.v6i1.6839.