N. E. A. and L. Mathew, “COMPARATIVE ANALYSIS OF CARDIAC GLYCOSIDES AND QUANTIFICATION OF PERUVOSIDE FROM THEVETIA NERIIFOLIA, JUSS FRUIT RIND EXTRACTS THROUGH HPTLC FINGERPRINTING”, Int J Pharm Pharm Sci, vol. 6, no. 8, pp. 412–415, Aug. 2014.