Asah MKBC, Widajantie TD. THE EFFECT OF CHANGES IN VALUE-ADDED TAX RATES (VAT) AND COST OF GOODS SOLD (COGS) ON SALES TURNOVER AT PT. VCS. ECO EDU ENTRE [Internet]. 2024Apr.25 [cited 2026Aug.9];4(1):55-64. Available from: https://ije3.esc-id.org/index.php/home/article/view/235