VALERIEVA-NECHOVA, VALENTINA. The economic effectivity and the capital intensity at fruit-bearing perennial plants. Bulgarian Journal of Agricultural Economics and Management, Sofia, BG, v. 57, n. 4, p. 60–76, 2012. Disponível em: https://agriacad.eu/ojs/index.php/bjaem/article/view/3659.. Acesso em: 15 oct. 2026.