M. Kowalczuk, G. Adamus, I. Radecka, „Forensic engineering of advanced polymeric biomaterials”, ACS Spring 2020 National Meeting & Expo, 22-26.03.2020 r., Philadelphia, USA, online
M. Kowalczuk, “Sustainable Packaging and Environmental Issues”, BIOCOMPACK – CE FINAL CONFERENCE Interreg Central Europe, 26-28.10.2020 r., Warszawa, online, konferencja międzynarodowa