MIHAJLOW, Radko Petrov; ATANASOV, Asparuh; IVANOVA, Albena; MIHAYLOVA, Desislava. Study of the Vegetation of Spring Crops in the Region of South Dobrudja in 2020. ANNUAL JOURNAL OF TECHNICAL UNIVERSITY OF VARNA, BULGARIA, [S. l.], v. 4, n. 2, p. 122–129, 2020. DOI: 10.29114/ajtuv.vol4.iss2.203. Disponível em: https://aj.tu-varna.bg/index.php/ajtuv/article/view/203. Acesso em: 2 oct. 2025.