“The Influence of Work Motivation, Leadership Style, and Supervision on the Performance of Goods and Services Procurement Bureaucrats in the North Sulawesi Central Bureau of Statistics Work Unit” (2024) JISIP (Jurnal Ilmu Sosial dan Pendidikan), 8(2), pp. 1364–1370. doi:10.58258/jisip.v8i2.6778.