Artika, R. ., I. Indayani, N. Q. S, and A. Rahmat. “Effect of Operational Costs on Net Profit in Indonesian Food and Beverage Manufacturing Firms, 2022–2024 Period”. Journal Social Society, vol. 6, no. 3, July 2026, pp. 1908-21, doi:10.54065/jss.6.3.2026.1342.