Balachandra, B.A.H.E.Pathirathna, P.U.Paranagama, P.A.2014-11-192014-11-192011Balachandra, B. A. H. E., Pathirathna, P.U. and Paranagama, P. A. (2011) The efficacy of essential oil of Plactranthus zeylanicus Plant against Callosobruchus maculatus (F.), Chemistry in Sri Lanka, May 2011, 28(02), 22.http://repository.kln.ac.lk/handle/123456789/3843ArticleChemistry