Niţă, Simona, Lucian Dimitru Niţǎ, Casiana Mihuţ, Elisabeta Kocis, Liliana Panaitescu, and Marius Lungu. 2014. “Ecologic and Biologic Agricultural Systems”. Review on Agriculture and Rural Development 3 (1):338-43. https://ojs.bibl.u-szeged.hu/index.php/rard/article/view/13445.