SKLIAROV, P. DETERMINATION OF THE FERTILE PERIOD IN THE BITCH. European Science, [S. l.], v. 2, n. sge44-02, p. 40–59, 2025. DOI: 10.30890/2709-2313.2025-44-02-018. Disponível em: https://desymp.promonograph.org/index.php/sge/article/view/sge44-02-018. Acesso em: 21 apr. 2026.