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Nzelu, C. O.; Emeasor, K. C.; Okonkwo, N. J. INSECTICIDAL ACTIVITY OF PIPER GUINEENSE (SCHUMACH AND THONN) SEED OIL AGAINST CALLOSOBRUCHUS MACULATUS (F.) (COLEOPTERA: CHRYSOMELIDAE) IN STORED COWPEA SEEDS. Int. J. Res. Granthaalayah 2020, 8, 262-270.