Assawadithalerd, M., M. Siangliw, and C. Tongcumpou. “Effects of Organic Fertilizer on Cd Bioavailability and Cd Accumulation in Rice Grown in Contaminated Paddy Soil”. Applied Environmental Research, vol. 36, no. 3, June 2014, pp. 95-104, doi:10.35762/AER.2014.36.3.8.