Telaumbanua, J. , Waruwu, E., Telaumbanua, E. and Halawa, F. 2024. Optimizing Service Quality: The Role of Human Resources Development at Gunungsitoli City’s Central Statistical Agency. International Journal of Economics Development Research (IJEDR). 5, 1 (Mar. 2024), 133–140. DOI:https://doi.org/10.37385/ijedr.v5i3.5573.