00284nam a22000857a 4500100002300000245009500023260004900118300000900167650002200176  aSenanayake,D.M.C.N  aComparison of Alpinia Calcarata (Heen Aratta) plants grown in different parts of Sri lanka  aColombobInstitute of Chemistry Ceylonc2012  a42 p  aAlpinia calcarata