Panyan, E. K., N. Karbo, F. K. Avornyo, A. Ayantunde, A. Kizito, and K. Tengan,. 2015. “Rainwater Management and Soil Improvement Techniques in Maize-Soy Bean Intercrop”. AFRICAN JOURNAL OF APPLIED RESEARCH 2 (2). https://www.ajaronline.com/index.php/AJAR/article/view/124.