2.NSF Publications
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Item Alpinia calcarata(NSF:Colombo; 27p, 2006) Arambewela, L.; Alagiyawanna, S.Item Repellency and toxicity of four essential oils to Sitophilus oryzae L. (Coleoptera:Curculionidae)(National Science Foundation:Colombo, 2004) Paranagama, P.A.; Abeysekera, K.H.T.; Nugaliyadde, L.; Abeywickrama, K.P.Item Repellant properties from essential oil of Alpinia calcarata Rosc. against the American cockroach, Periplanata americana(National Science Foundation:Colombo, 2004) Paranagama, P.; Ekanayake, E.M.D.S.