Nirala, S. N. “The Phytochemical and Antioxidant Activity of Calotropis Procera: Phytochemical and Antioxidant Activity of Calotropis Procera”. CSVTU International Journal of Biotechnology, Bioinformatics and Biomedical, vol. 5, no. 3, Mar. 2021, pp. 67-73, doi:10.30732/IJBBB.20210503004.