TOHIDI, Gh.; VALIZADEH, P. A NON-RADIAL ROUGH DEA MODEL. International Journal of Mathematical Modelling & Computations, [S. l.], v. 1, n. 4, p. 257–261, 2011. Disponível em: http://oiccpress.com/ijm2c/article/view/11058. Acesso em: 10 may. 2026.