Advancements in Population Mean Estimation for Circular Systematic Sampling. Contemporary Mathematics , [S. l.], v. 6, n. 4, p. 5053–5072, 2025. DOI: 10.37256/cm.6420257140. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/7140. Acesso em: 24 dec. 2025.