Varghese, C. P. . (2011) “Antioxidant Activity of Hydroalcoholic Extract of Labisa Pumila var. Alata, an Indigenous Plant of Malaysia”, International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), 4(2), pp. 1418–1422. doi: 10.37285/ijpsn.2011.4.2.8.