Construction of an Almost Unbiased Estimator for Population Variance Using Exponential - Sine Type Estimator. Iraqi Statisticians journal, [S. l.], v. 2, n. 2, p. 114–125, 2025. DOI: 10.62933/mz0yvj11. Disponível em: https://isj.edu.iq/index.php/isj/article/view/156. Acesso em: 6 dec. 2025.