Bombuwala, K.Karunaratne, V.De Silva, K.S.Herath, H.M.T.B.2016-06-202016-06-201998Proceedings of the 54th Annual Sessions of the Sri Lanka Association for the Advancement of Science:p.294https://dl.nsf.gov.lk/handle/1/23331ChemistryInsecticidal activity of usnic acidARG/96/C/004FR 1173, FR 1262, FR 1175T