M. Siosemarde and  F. Kave and  E. Pazira and  H. Sedghi and  S. J. Ghaderi,  Prediction of Soil Exchangeable Sodium Ratio Based on Soil Sodium Adsorption Ratio.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2010, vol. 46(10). 454 - 456
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/12384.