Singh, Manjeet, and Alok Pal Jain. “Qualitative and Quantitative Determination of Secondary Metabolites and Antioxidant Potential of Nymphaea Nouchali Flowers”. Journal of Drug Delivery and Therapeutics, vol. 8, no. 6-s, Dec. 2018, pp. 111-5, https://doi.org/10.22270/jddt.v8i6-s.2095.