Pharmacognostical and Physicochemical Studies of Enhalus acoroides (L.F.) Royle (Rhizome), Klangprapun, Supattra, Buranrat Benjaporn, Caichompoo Wanida, and Nualkaew Somsak , Pharmacognosy Journal, November 2018, Volume 10, Issue 6s, p.s89-s94, (2018)