Advanced oxidation treatment of composting leachate of food solid waste by ozone-hydrogen peroxide / Gliniak Maciej, Lis Anna, POLEK Daria // W: Ecological and environmental engineering : the first international scientific conference : 26–29 June 2018 Kraków, Poland : book of abstracts / eds. Krzysztof Jóźwiakowski, Agnieszka Listosz, Alina Kowalczyk-Juśko. — Lublin : Perfekta info, [2018]. — ISBN: 978-8363657-99-4. — S. 56. — Dostęp również online: {https://coee.urk.edu.pl/zasoby/164/Book.pdf}

Energy status of polish companies from the mining industry based on the experience of the energy auditor / POLEK Daria // W: Ecological and environmental engineering : the first international scientific conference : 26–29 June 2018 Kraków, Poland : book of abstracts / eds. Krzysztof Jóźwiakowski, Agnieszka Listosz, Alina Kowalczyk-Juśko. — Lublin : Perfekta info, [2018]. — ISBN: 978-8363657-99-4. — S. 133. — Dostęp również online: {https://coee.urk.edu.pl/zasoby/164/Book.pdf}

The impact of the ash usage from individual stoves on selected physicochemical properties of cultivated grounds / Daria POLEK // W: WMESS 2018 [Dokument elektroniczny] : World Multidisciplinary Earth Sciences Symposium : 03–07 September 2018, Prague, Czech Republic : abstract collection book. — Wersja do Windows. — Dane tekstowe. — [Czech Republic : s. n.], [2018]. — 1 dysk optyczny. — S. [313]. — Wymagania systemowe: Adobe Reader ; napęd CD-ROM. — Toż pod adresem {https://www.mess-earth.org/files/WMESS2018_Book.pdf}