The Economics of Egg Production. The Pakistan Development Review, [S. l.], v. 15, n. 2, p. pp.171–180, 1976. DOI: 10.30541/v15i2pp.171-180. Disponível em: https://thepdr.pk/index.php/pdr/article/view/414. Acesso em: 14 nov. 2025.