Nonparametric Estimation for Nonstationary Time Series Models. Iraqi Statisticians journal, [S. l.], v. 2, n. special issue for ICSA2025, p. 197–205, 2025. DOI: 10.62933/bs07mq83. Disponível em: https://isj.edu.iq/index.php/isj/article/view/80. Acesso em: 11 oct. 2025.