Telaumbanua, Juita, Eliyunus Waruwu, Eliagus Telaumbanua, and Forman Halawa. 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):133-40. https://doi.org/10.37385/ijedr.v5i3.5573.