Spulbar, Cristi, Mohammad Ehsanifar, Ramona Birau, Arezoo Babaie, and Daniel Iulius Doagă. 2021. “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 (3). Iasi, Romania:285-307. https://doi.org/10.47743/saeb-2021-0017.