LEPASAAR, H.; EHRLICH, Üllas. Non-market value of Estonian seminatural grasslands: a contingent valuation study. Eesti poolloodusliku rohumaa turuväline väärtus: tingliku hindamise uuring. Estonian Discussions on Economic Policy, [S. l.], v. 23, n. 2, 2015. DOI: 10.15157/tpep.v23i2.12494. Disponível em: https://ojs.utlib.ee/index.php/TPEP/article/view/12494. Acesso em: 4 dec. 2024.