Pharmacognostic Standardization and Chromatographic Fingerprint Analysis on Triterpenoids Constituents of the Medicinally Important Plant Plumeria rubra f. rubra by HPTLC technique, Srivastava, Gunja, Gupta Abhishek, Singh Manjul Pratap, and Mishra Anurag , Pharmacognosy Journal, February 2017, Volume 9, Issue 2, p.135-141, (2017)