Mishra, K. N., O. P. Pandey, S. K. Sengupta, and S. Goswami. “Syhthesis, Characterization and Antimicrobial Studies of Isatin Thiosemicarbazones Derivatives of Dichlorobis(cyclopentadienyl) hafnium(IV)”. Asian Journal of Applied Sciences, vol. 3, no. 3, June 2015, https://ajouronline.com/index.php/AJAS/article/view/2699.