Future Resilience of the Grain Farming System in North-East Bulgaria – Alternatives and Strategies for Adaptation. UNWE Yearbook, [S. l.], v. 2, p. 43–52, 2022. DOI: 10.37075/YB.2021.2.03. Disponível em: https://ojs.e-dnrs.org/ybunwe/article/view/1446. Acesso em: 6 dec. 2025.