Ecological Questions. An International Journal on Controversial Problems of Ecology. 29 (1/2018)

- Ecological Questions. An International Journal on Controversial Problems of Ecology. 15/2011
- Ecological Questions. An International Journal on Controversial Problems of Ecology. 16/2012
- Ecological Questions. An International Journal on Controversial Problems of Ecology. 18/2013
- Ecological Questions. An International Journal on Controversial Problems of Ecology. 17/2013: Remote sensing and geographical information system for environmental studies
- Ecological Questions. An International Journal on Controversial Problems of Ecology. 13/2010
- Ecological Questions. An International Journal on Controversial Problems of Ecology. 12/2010: Treats, management, conservation and structural changes of heathlands in Toruń Basin and other sites of Europe
- Ecological Questions. An International Journal on Controversial Problems of Ecology. 14/2011: Ecology of Halophytes and Saline Habitats
- Ecological Questions. An International Journal on Controversial Problems of Ecology. 19/2014
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- Ecological Questions. An International Journal on Controversial Problems of Ecology. 21/2015
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- Ecological Questions. An International Journal on Controversial Problems of Ecology. 28/2018
- Ecological Questions. An International Journal on Controversial Problems of Ecology. 29 (1/2018)
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- Ecological Questions. An International Journal on Controversial Problems of Ecology. 30 (1/2019)
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- Ecological Questions. An International Journal on Controversial Problems of Ecology. 31 (1/2020)
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- Ecological Questions. An International Journal on Controversial Problems of Ecology. 32 (1/2021)
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- Ecological Questions. An International Journal on Controversial Problems of Ecology. 33 (4/2022)
- Ecological Questions. An International Journal on Controversial Problems of Ecology. 34 (1/2023)