Rini, G., & Sidharta, T. (2025). The Effect of Operational Costs and Production Costs on Profitability at PT. Ultrajaya Milk Industry & Trading Company Tbk. Jurnal Ekonomi, Manajemen, Akuntansi Dan Keuangan, 6(3), 24. https://doi.org/10.53697/emak.v6i3.2790