TSVETANOV, Tsvetan; BALKANSKA, Ralitsa; IGNATOVA, Maia. Application of formic acid against Varroa destructor in spring using infrared heaters in the beehives. Bulgarian Journal of Animal Husbandry, [S. l.], v. 60, n. 3, p. 21–27 (Bg), 2023. Disponível em: https://agriacad.eu/ojs/index.php/bjah/article/view/20.. Acesso em: 7 nov. 2026.