LASTRE, David; PAEZ SANTANA, Melanie; LÓPEZ TUMBACO, Olga. Statistical analysis of contingency tables and square chi to measure the migration flow in Ecuador in 2018. Ecuadorian Science Journal, [S. l.], v. 3, n. 1, p. 23–30, 2019. DOI: 10.46480/esj.3.1.24. Disponível em: https://journals.gdeon.org/index.php/esj/article/view/24.. Acesso em: 13 sep. 2025.