BACHEV HI, IVANOV B, TOTEVA D, SOKOLOVA E. Evaluation of agrarian sustainability in Bulgaria. J. Soc. Adm. Sci. [Internet]. 2017 Sep. 18 [cited 2024 Dec. 18];4(3):233-42. Available from: https://journals.econsciences.com/index.php/JSAS/article/view/1426