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Marisya Gultom and Rusiadi 2024. Analysis of Factors Influencing the Level of Income of UMKM Business Owners in the Food Sector in Medan Sunggal District. International Journal of Integrative Sciences. 3, 10 (Oct. 2024), 1139–1152. DOI:https://doi.org/10.55927/ijis.v3i10.11960.