Paranagama, P.A.Jayathilake, G.S.Jayawardene, A.L.Mubarak, A.M.Senanayeke, U.M.Wimalasena, S.2014-11-192014-11-191990Paranagama, P.A., Jayathilake, G. S., Jayawardene, A.L., Mubarak, A.M., Senanayeke, U.M. and Wimalasena, S. (1990): A study of the essential oils of pepper ( Piper nigrum) by combined GC/MS analysis, Proceedings of Sri Lanka Association of Advancement of Science, December 1990, 46, E2-19,163.http://repository.kln.ac.lk/handle/123456789/3866A study of the essential oils of pepper ( Piper nigrum) by combined GC/MS analysisarticleChemistry