WASET
    Kenneth M. Oba,  A Multiple Linear Regression Model to Predict the Price of Cement in Nigeria.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2019, vol. 156(12). 1480 - 1485
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/10010964.