Vukčević, Marija, Marina M. Maletić, Tatjana Đurkić, Biljana Babić, and Ana Kalijadis. 2022. “Beech Sawdust Based Adsorbents for Solid-Phase Extraction of Pesticides and Pharmaceuticals: Scientific Paper”. Journal of the Serbian Chemical Society 87 (2). Belgrade, Serbia:205-17. https://doi.org/10.2298/JSC210614051V.