Soni, T. K. and Singla, H. K. (2013) “A Study of the Efficiency and Unbiasedness in NCDEX: A Case Study of Guar Gum”, Indian Journal of Finance, 7(11), pp. 28–37. Available at: https://indianjournalofcapitalmarkets.com/index.php/IJF/article/view/72070 (Accessed: 2 February 2026).