GEHAN, Z. Moustafa. A New Approach to Evaluate the Hygienic Condition of Commercial Hatcheries. International Journal of Poultry Science, Pakistan, v. 8, n. 11, p. 1047–1051, 2009. DOI: 10.3923/ijps.2009.1047.1051. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/1301. Acesso em: 22 sep. 2025.