Obong, Y., D.C. Lem, and C. Opio Ogwang. “Effect of Intercropping Sunflower With Soybean at Different interrow and Intra-Row Spacing on Land Use Efficiency”. Uganda Journal of Agricultural Sciences 17, no. 1 (January 1, 2016): 33–41. Accessed November 21, 2024. http://journal.naro.go.ug/index.php/ujas/article/view/170.