RADEV, ZHEKO. LENGTH OF LIFE OF APIS MELLIFERA L.WORKER BEES IN REGION OF BELOZEM (BULGARIA). Bulgarian Journal of Animal Husbandry, [S. l.], v. 50, n. 6, p. 103–105, 2013. Disponível em: https://agriacad.eu/ojs/index.php/bjah/article/view/533.. Acesso em: 6 nov. 2026.