SINGH, V. K. .; SINGH, R. . SOME IMPROVED SUGGESTIONS IN CIRCULAR SYSTEMATIC SAMPLING UNDER FULLY AND PARTIALLY RESPONDENT CASE. Journal of Reliability and Statistical Studies, [S. l.], v. 8, n. 01, p. 115–134, 2015. Disponível em: https://journals.riverpublishers.com/index.php/JRSS/article/view/21091. Acesso em: 15 may. 2026.