Mingoti, Sueli Aparecida, and Letícia Pereira Pinto. “ALTERNATIVE HYPOTHESIS TESTS FOR THE COVARIANCE MATRIX BASED ON EIGENVALUES AND MULTIVARIATE NORMALITY”. Brazilian Journal of Operations & Production Management 9, no. 1 (May 14, 2013): 9–27. Accessed April 30, 2025. https://www.bjopm.org.br/bjopm/article/view/V9N1A1.