2.NSF Publications
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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 Variations in the composition of oil in citronella(National Science Council:Colombo, 1977) Iruthayathas, E.E.; Herath, H.M.W.; Wijesekara, R.O.B.; Jayawardena, A.L.Item Citronella:Cymbopogon nardus(ITI:Colombo; 45p, 1999) Jayasinghe, P.; Warnasuriya, D.; Dissanayake, H.; Industrial Technology Institute