Apriyanti NU, Mukhzarudfa M, Tiswiyanti W. Comparative Analysis of Sales, Gross Profit and GPM Before After the Increase in Vat in the Industrial Sector 2020-2024. AJMA [Internet]. 2025 Apr. 22 [cited 2026 Jun. 6];4(2):477-92. Available from: https://journal.formosapublisher.org/index.php/ajma/article/view/14065