WASET
    B. A. Lawal and  B. R. Singh and  G. A. Babaji and  P. A. Tsado,  Relative Suitability Evaluation of Two Methods of Particle-Size Analysis for Selected Soils of Sudan Savanna of Nigeria.   journal   = {International Journal of Biotechnology and Bioengineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2013, vol. 73(1). 94 - 97
    [viewed 02 May 2024]. Available from: https://publications.waset.org/pdf/9996740.