-, .-.; مزاحم. Estimating simultaneous equations system of the world prices of the grains for the period (1961-2002). IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 8, n. 2, p. 205–222, 2025. Disponível em: https://rjps.uomosul.edu.iq/index.php/stats/article/view/20730. Acesso em: 5 aug. 2025.