An Improved Exponential Ratio-Type Estimator with Two Auxiliary Variables in Double Sampling with Nonresponse. International Journal of Latest Technology in Engineering Management & Applied Science, [S. l.], v. 15, n. 3, p. 424–440, 2026. DOI: 10.51583/IJLTEMAS.2026.150300035. Disponível em: https://www.ijltemas.in/submission/online/article/view/4332.. Acesso em: 13 may. 2026.