Bioactivity of methanol extracts combination of Carica papaya Linnaeus 1753, Carissa edulis Vahl 1790, Securidaca longepedonculata Fresen 1819 and Vinca rosea Linnaeus 1759, against Callosobruchus maculatus Fabricius 1775 (Coleoptera: Bruchidae) in the Far-North region of Cameroon
Kouninki Habiba*, Kongne Marie Louise, Fameni Tope Sidonie, Fernand-Nestor Tchuenguem Fohouo

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