Purnama I, Diana, Yani F. Business Income, Operational Costs, and Production Costs on Net Profit After Tax at PT Unilever Indonesia Tbk Period 2016 - 2021. Luxury [Internet]. 2023 Jan. 31 [cited 2024 Nov. 23];1(1):23-32. Available from: https://firstcierapublisher.com/index.php/luxury/article/view/17