GENERALISED LEAST SQUARE RATIO ESTIMATOR IN HETEROSCEDASTIC REGRESSION MODEL. Advances and Applications in Statistics , [S. l.], v. 86, n. 2, p. 207–227, 2025. DOI: 10.17654/0972361723023. Disponível em: https://pphmjopenaccess.com/aas/article/view/191. Acesso em: 5 jan. 2026.