Ahmed, F., M. M. Mondal, and M. Akter. “Organic Fertilizers Effect on Potato (Solanum Tuberosum L.) Tuber Production in Sandy Loam Soil”. International Journal of Plant & Soil Science, Vol. 29, no. 3, Aug. 2019, pp. 1-11, doi:10.9734/ijpss/2019/v29i330146.