MISRA, U.S.SHARMA, ASHOK KUMAR2019-06-262019-06-261985http://krishikosh.egranth.ac.in/handle/1/5810110157ennullSTUDY ON SOME IMPOTANT ASPECTS FOR POPULATION MANAGEMENT OF MUSTARD APHID (LIPAPHIS ERYSIMI KALT.) (APHIDIDAE : HEMIPTERA )Thesis