M.S, Bassey, et al. “Maize//Joint/Velch/Intercropping/and/N/Fertilization/Effects/on/Striga/Infestation/and/Maize/Grain/Yield/in/the/Southern/Guinea/Savanna/of/Nigeria”. International Journal of Environment, Agriculture and Biotechnology, vol. 4, no. 4, Oct. 2019, https://journal-repository.com/index.php/ijeab/article/view/307.