G. K. Henar, “Methods for Quantification of Tannins and Other Polyphenols in Syzygium cumini (L.) Bark for Potential Use in Leather Tanning Colouration”, TJNPR, vol. 8, no. 11, pp. 9086 – 9096, Dec. 2024, doi: 10.26538/tjnpr/v8i11.17.