MODIFIED CLASS OF ESTIMATOR OF FINITE POPULATION VARIANCE. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 3, n. 4, p. 67–78, 2023. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1622. Acesso em: 11 sep. 2025.