Petri Kouvo and Aino Kainulainen and Kimmo Koivunen, Separate Collection System of Recyclables and Biowaste Treatment and Utilization in Metropolitan Area Finland. journal = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology. April 2017, vol. 126(6). 515 - 519 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/10007264.