“Activity of CoFe2O4@C Composite Materials Based on Biochar in Water Purification Processes from 2,4-Dinitrophenol”. Sorbtsionnye I Khromatograficheskie Protsessy, vol. 25, no. 2, June 2025, pp. 177-8, https://doi.org/10.17308/sorpchrom.2025.25/12957.