Spulbar, Cristi, Mohammad Ehsanifar, Ramona Birau, Arezoo Babaie, and Daniel Iulius Doagă. “Advanced Empirical Research Based on Structural Equation Modeling (SEM) Regarding the Impact of Tax Revenue on GDP Dynamics at EU-28 Level”. Scientific Annals of Economics and Business 68, no. 3 (September 27, 2021): 285–307. Accessed November 27, 2021. http://saeb.feaa.uaic.ro/index.php/saeb/article/view/1218.