Hastuti, R. T.; Abigail, T. E.; Widjaja, G. A.; Threevani, J. Calculation of Cost of Goods Sold and Preparation of Income Statement at MSME Dapur Mamak. J. Sustain. Community Serv. 2026, 6 (1), 21-29. https://doi.org/10.55047/jscs.v6i1.1091.