Snezhana G. Gocheva-Ilieva and  Maya P. Stoimenova ,  PM10 Prediction and Forecasting Using CART: A Case Study for Pleven, Bulgaria.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2018, vol. 141(9). 572 - 577
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10009471.