KATOVA, Aneliya. Vitality and longevity of perennial ryegrass (Lolium perenne L.) accessions in North Central Bulgaria. Bulgarian Journal of Agricultural Science, Sofia, BG, v. 30, n. 3, p. 431–444, 2024. Disponível em: https://agriacad.eu/ojs/index.php/bjas/article/view/934.. Acesso em: 19 oct. 2026.