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Field evaluation of extracts of five Nigerian spices for co..:

Alphonsus Mbonu Oparaeke ; Michael Chidozie Dike ; Christopher Iheanyi Amatobi
https://pps.agriculturejournals.cz/artkey/pps-200501-0003_field-evaluation-of-extracts-of-five-nigerian-spices-for-control-of-post-flowering-insect-pests-of-cowpea-vign.php.  , 2005