Morpho-anatomical, Phytochemical and TLC/HPTLC Studies on Whole Plant of Plectranthus vettiveroides (Jacob) N.P. Singh and B.D. Sharma, D, Velvizhi, G Nartunai, S Susikumar, and R Ilavarasan , Pharmacognosy Journal, February  2020, Volume 12, Issue 1, p.58-65, (2020)