SURYA K. PAL; HOUSILA P. SINGH. A Class of Ratio-Cum-Ratio-Type Exponential Estimators for Population Mean with Sub Sampling the Non-Respondents. Jordan Journal of Mathematics and Statistics, [S. l.], v. 10, n. 1, p. 73–94, 2025. Disponível em: https://jjms.yu.edu.jo/index.php/jjms/article/view/1014. Acesso em: 18 aug. 2025.