Efficiency Comparison of Different Ratio Estimators of Population Variance: A Study on Sugarcane Data. Leadership, Education, Personality: An Interdisciplinary Journal, ISSN: 2524-6178, [S. l.], v. 19, n. 1, p. 552–561, 2024. DOI: 10.1366/v9zp3733. Disponível em: https://sibe.rpress.co.in/index.php/jimr/article/view/301.. Acesso em: 21 feb. 2026.