S. KANNAKI; L. MARY LOUIS. Normal-Rayleigh Stochastic Production Frontier Model. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 4 - E, p. 741–746, 2017. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/1334. Acesso em: 22 jul. 2024.