AlFreijat S. Estimating the optimal size of the tax burden in Jordan using the Laffer curve During the period (2020-1980). AJRS [Internet]. 2021 Dec. 31 [cited 2026 Oct. 10];24(2):126-39. Available from: https://ajrs.ammanu.edu.jo/ojs/index.php/albalqajournal/article/view/128