Noviyanty, Y., H. Herlina, and C. Fazihkun. “IDENTIFICATION AND DETERMINATION OF SAPONIN LEVELS FROM BIDURROT EXTRACT (Calotropis Gigantea L) USING GRAVIMETRY METHOD”. Journal of Pharmaceutical And Sciences, Vol. 3, no. 2, Dec. 2020, pp. 100-5, doi:10.36490/journal-jps.com.v3i2.52.