Lamessa, K., J.J, S., & Tessema, T. (2015). Influence of Cowpea and Soybean Intercropping Pattern and Time of Planting on Yield and Gross Monetary Value of Sorghum. Journal of Science, Technology and Arts Research, 4(3), 38–46. Retrieved from https://journals.wgu.edu.et/index.php/star/article/view/241