BACHEV, H. I.; IVANOV, B.; TOTEVA, D.; SOKOLOVA, E. Evaluation of agrarian sustainability in Bulgaria. Journal of Social and Administrative Sciences, [S. l.], v. 4, n. 3, p. 233–242, 2017. DOI: 10.1453/jsas.v4i3.1426. Disponível em: https://journals.econsciences.com/index.php/JSAS/article/view/1426. Acesso em: 18 dec. 2024.