Phytochemical Screening, GC-MS, FT-IR Analysis of Methanolic Extract of Curcuma caesia Roxb (Black Turmeric), Pakkirisamy, Muthukumaran, Kalakandan Suresh Kumar, and Ravichandran Karthikeyen , Pharmacognosy Journal, September 2017, Volume 9, Issue 6, p.952-956, (2017)