Lasmiati, L. et al. 2026. The Effect of Agricultural Sector Gross Regional Domestic Product, Food Crops Farmers’ Terms of Trade, and Livestock Farmers’ Terms of Trade on the Human Development Index in the Provinces of Sumatra, 2019–2024. RIGGS: Journal of Artificial Intelligence and Digital Business. 5, 2 (Jun. 2026), 9500–9508. DOI:https://doi.org/10.31004/riggs.v5i2.10097.