?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=V&rft.au=Visalakshmi%2C+V&rft.aulast=Visalakshmi&rft.inst=Acharya+N.G.+Ranga+Agricultural+University&rft.date=2001&rft.title=Effect+of+different+IPM+components+on+Helicoverpa+armigera+(Hubner)+and+their+impact+on+natural+enemies+in+chickpea&rft.tpages=235&rft.degree=PHD