AFZAL , M. .; AYAZ , M. . Efficiency of Food Sector of Pakistan – A DEA Analysis. Asian Journal of Empirical Research, [S. l.], v. 3, n. 10, p. 1310–1330, 2013. Disponível em: https://archive.aessweb.com/index.php/5004/article/view/3618. Acesso em: 22 jul. 2024.