Ibrahim, A., M. Auwalu, Y. Haruna, R. Abdullahi, and A. Usman. “Effects of Compost Tea on Productivity of Green Bean (Phaseolus Vulgaris L.) Varieties in Sudan Savanna of Nigeria”. Journal of Current Opinion in Crop Science, vol. 2, no. 4, Dec. 2021, pp. 425-32, doi:10.62773/jcocs.v2i4.142.