Krishnarajah, S.R.2015-03-192015-03-19https://dl.nsf.gov.lk/handle/1/17950Biological SciencesEntomologyA Study on toxic effects of some local plant oils on Sitotroga Cerealella (olivier) (LEPIDOPTERA:GELECHIIDAE)ThesisUniversity of JaffnaRG/75/009FR 0900 TM.Phil