GURUPRASAD R, et al. “TYROSINE AMMONIA LYASE EXTRACTED FROM CLITORIA TERNATEA LINN. - ITS IMPORTANT ROLE IN METABOLISM OF HUMANS AND REACTION WITH DIFFERENT METAL IONS”. International Journal of Pharma and Bio Sciences, vol. 5, no. 1, Mar. 2014, pp. 76-82, https://ijpbs.net/index.php/journal/article/view/3105.