Gabriel, K., H. Lakshman, and T. Yeasmin. “Efeect of AM Fungi With Additonal Phosphate Fertilazation on Growth and Nutrient Uptake in Guizotia Abyssinica (L.f) Cass.Var, RCR-18”. Journal of Bio-Science, vol. 22, Oct. 2016, pp. 45-51, doi:10.3329/jbs.v22i0.30008.