na INLIS000000000004269 20221122020147 0010-1122000030 ta 221122 g 0 eng 3-7186-5913-1 DEV, Sukh Insecticides of natural origin / Sukh Dev, Opender Koul Amsterdam : Harwood Academic Publishers, 1997 vii, 364 p. : illus, tab ; 25 cm INSECTICIDES NATURE Opender Koul Perpustakaan Balittro