Jamal Abdul Nasir and M. H. Tahir (2012) “Comments on Estimating Income Variances by Probability Sampling: A Case Study by Shah and Aleem”, Pakistan Journal of Commerce and Social Sciences, 6(1), pp. 131–132. Available at: https://jes.ac.pk/index.php/jes/article/view/592 (Accessed: 13 August 2026).