OLEINIKOVA, LUDMILA. “EFFICIENCY OF THE TAX SYSTEM ON THE BASIS OF TRANSPARENCY AND REFORM”. Herald of Khmelnytskyi National University. Economic sciences 298, no. 5(1) (October 4, 2021): 219–222. Accessed January 28, 2026. https://heraldes.khmnu.edu.ua/index.php/heraldes/article/view/1554.