Mataa, M., Makungu, B., & Siziya, I. (2018). Shading effects of intercropping roselle (Hibiscus sabdariffa) genotypes on plant development, assimilate partitioning and leaf nutrient content. International Journal of Agricultural Research, Innovation and Technology, 8(1), 7–13. https://doi.org/10.3329/ijarit.v8i1.38223