(1)
ThompsonA. O.; AbbaH. M. TOXICITY OF Piper Guineense SCHUM AND THONN AND Chlorpyrifos POWDERS FOR THE CONTROL OF Callosobruchus Subinnotatus (Pic.) ON STORED Vigna Subterranea (L.) Verdcourt IN GOMBE STATE, NIGERIA. FJS 2021, 5, 358 - 364.