Singh, Kamaljit, and Vinod Kumar. “Dynamic Linkage Between Nifty-Fifty and Sectorial Indices of National Stock Exchange”. American Journal of Economics and Business Management 3, no. 2 (March 25, 2020): 17–27. Accessed May 7, 2024. https://globalresearchnetwork.us/index.php/ajebm/article/view/148.