Pathiratna, L.S.S.Joseph, K.D.S.M.Perera, M.K.P.2014-07-082014-07-082005Ceylon Journal of Science, 33:p.45-53https://dl-rri.nsf.gov.lk//handle/1/2307Development of suitable propagation techniques and management practices for the cultivation of the medicinal plant Piper longumArticle