TRIVENI , G. R. V. .; DANISH, F. . Heuristical Approach for Optimizing Population Mean Using Ratio Estimator in Stratified Random Sampling. Journal of Reliability and Statistical Studies, [S. l.], v. 16, n. 01, p. 137–152, 2023. DOI: 10.13052/jrss0974-8024.1617. Disponível em: https://journals.riverpublishers.com/index.php/JRSS/article/view/22145. Acesso em: 22 apr. 2026.