Selvam, Murugesan, et al. “Testing the Weak Form Efficiency With Respect to Sectoral Indices of National Stock Exchange Limited, India”. Indian Journal of Research in Capital Markets, vol. 3, no. 1, Mar. 2016, pp. 7-20, https://indianjournalofcapitalmarkets.com/index.php/ijrcm/article/view/102598.