CHAUDHRY, Muhammad Shahzad; HANIF, Muhammad. Product and Exponential Product Estimators in Adaptive Cluster Sampling under Different Population Situations : Product Estimators in ACS . Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences, [S. l.], v. 53, n. 4, p. 447–457, 2021. Disponível em: https://www.ppaspk.org/index.php/PPAS-A/article/view/265. Acesso em: 5 dec. 2025.