SRIVASTAVA, Namita; SHAKYA, Ruchi. Calibration Estimation in Stratified Random Sampling Using Three Constraints. Global Journal of Mathematics and Statistics, [S. l.], v. 3, n. 1, p. 10–18, 2026. DOI: 10.61424/gjms.v3i1.930. Disponível em: https://bluemarkpublishers.com/index.php/GJME/article/view/930. Acesso em: 15 jul. 2026.