BHUSHAN, S. .; KUMAR, A. .; TYAGI, D. .; SINGH, S. . On Some Improved Classes of Estimators Under Stratified Sampling Using Attribute. Journal of Reliability and Statistical Studies, [S. l.], v. 15, n. 01, p. 187–210, 2022. DOI: 10.13052/jrss0974-8024.1518. Disponível em: https://journals.riverpublishers.com/index.php/JRSS/article/view/20313. Acesso em: 3 jun. 2026.