Hridhya , M.J. and Anitha, C.T. (2022) “Effect of Heavy Metals (Cu, Zn and Cr) on Total Carbohydrate and Protein Content in Andrographis paniculata (Burm. f.) Wall. ex Nees ”, Bulletin of Pure & Applied Sciences- Botany, 41(1), pp. 71–74. doi:10.48165/.