Esmailzadeh, S., & Setamdideh, D. (2021). Synthesis and characterization of Fe3O4/PEG-400/oxalic acid magnetic nanoparticles as a heterogeneous catalyst for the synthesis of pyrrolin-2-ones derivatives: Scientific paper. Journal of the Serbian Chemical Society, 86(11), 1039–1052. https://doi.org/10.2298/JSC210521059E