Comparative Study of Covariance Structures in Repeated Measures Experimental Design. Journal of Pure and Applied Sciences (Science Forum), [S. l.], v. 24, n. 1, p. 755–765, 2024. Disponível em: https://atbuscienceforum.com.ng/index.php/jpas/article/view/48. Acesso em: 14 dec. 2025.