Teli, I. A., N. A. Gworgwor, S. D. Joshua, and E. O. Imoloame E. O. Imoloame. 2012. “Economic Assessment of Some Pre-Emergence Herbicides in the Production of Millet-Cowpea Intercrop in the Sudan Savanna Zone of Nigeria”. Global Journal of Food and Agribusiness Management 3 (1):130-38. https://elixirpublishers.in/index.php/asst/article/view/2548.