Sasikala, T., Greeshma, K., Gnana, P. K., Muthulingam, S. and Nandhakumar, C. (2020) “Synthesis, characterization and chelating properties of tannin-8-hydroxy quinoline - formaldehyde polymer”, GSC Advanced Research and Reviews, 5(2), pp. 019–023. doi: 10.30574/gscarr.2020.5.2.0083.