THU, Do Van; BINH, Doan Viet; KHOI, Tran Xuan; HUE, Le Thi. Research Bac Ha dog semen frozen in liquid nitrogen -196oC. Academia Journal of Biology, [S. l.], v. 39, n. 2, p. 236–244, 2017. DOI: 10.15625/0866-7160/v39n2.8867. Disponível em: https://ajb.vast.vn/vjbio/article/view/8867. Acesso em: 30 sep. 2025.