Issa, F.H. et al. 2018. Effect of plant extraction (Hibiscus, black grain and Fenugreek) on growth and yield of bean (Viacia faba L.). Journal of Kerbala for Agricultural Sciences. 5, 5 (Mar. 2018), 710–716. DOI:https://doi.org/10.59658/jkas.v5i5.573.