Rangkuti, Sischa Mahyasari Br, Raina Linda Sari, and Irsyad. 2023. “The Influence of Investment Indirect and Direct Expenditure Work Force and Education on Economic Growth in North Sumatera”. Enrichment : Journal of Management 13 (2), 774-83. https://doi.org/10.35335/enrichment.v13i2.1318.