WASET
    Juris Burlakovs and  Maris Klavins and  Raimonds Ernsteins and  Armands Ruskulis,  Contamination in Industrial Areas and Environmental Management in Latvia.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2013, vol. 76(4). 203 - 208
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/6212.