WASET
    S. Shahsavani and  A. Gholami,  Study on the Effect of Sulphur, Glucose, Nitrogen and Plant Residues on the Immobilization of Sulphate-S in Soil.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2009, vol. 25(1). 72 - 76
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/4422.