HUSSAIN, Mujeeb; KHAN, Lakhkar; ZAMAN, Qamruz; ABDURRAHMAN SABIR. Efficient Class of Variance Estimators for Population using Supplementary Information in Stratified Random Sampling. VFAST Transactions on Mathematics, [S. l.], v. 12, n. 1, p. 264–279, 2024. DOI: 10.21015/vtm.v12i1.1794. Disponível em: https://vfast.org/journals/index.php/VTM/article/view/1794. Acesso em: 28 apr. 2026.