ASLAM, I. .; NOOR-UL-AMIN, M. .; YASMEEN, U. .; HANIF, M. . Memory Type Ratio and Product Estimators in Stratified Sampling. Journal of Reliability and Statistical Studies, [S. l.], v. 13, n. 01, p. 1–20, 2020. DOI: 10.13052/jrss0974-8024.1311. Disponível em: https://journals.riverpublishers.com/index.php/JRSS/article/view/20569. Acesso em: 15 may. 2026.