KUMAR, G. .; BHARTI, P. .; YADAV, S. .; KUMAR , S. . IMPROVEMENT FOR ESTIMATING POPULATION MEAN IN SIMPLE RANDOM SAMPLING SCHEME . Journal of Reliability and Statistical Studies, [S. l.], v. 12, n. 01, p. 41–49, 2019. Disponível em: https://journals.riverpublishers.com/index.php/JRSS/article/view/20789. Acesso em: 5 may. 2026.