DANISH , F. .; RIZVI, S.; SHARMA, M. K. .; DWIVEDI , S. .; KUMAR, B. .; KUMAR, S. . A MATHEMATICAL PROGRAMMING APPROACH IN OPTIMUM STRATIFICATION UNDER NEYMAN ALLOCATION FOR TWO STRATIFYING VARIABLES. Journal of Reliability and Statistical Studies, [S. l.], v. 12, n. 02, p. 173–185, 2019. DOI: 10.13052/jrss2229-5666.12213. Disponível em: https://journals.riverpublishers.com/index.php/JRSS/article/view/20773. Acesso em: 3 jun. 2026.