Krichkovskaya, L., Elnaggar, E., Dubonosov, V., Bliznyuk, O. and Gritsaenko, Y. 2023. Study of adsorbent from plant waste and nanotubes for oil refination. International Science Journal of Engineering & Agriculture. 2, 2 (Apr. 2023), 117–124. DOI:https://doi.org/10.46299/j.isjea.20230202.11.