Shahabi, Dana, tavakol, hossein (2018). High Catalytic Ability of Fe3O4/EDTA Magnetic Nanocatalyst in Comparison with Various Deep Eutectic Solvents for One-Pot Synthesis of 4H-Pyrans. *Journal of Nanoanalysis*, 5(1), 49-57. 10.22034/jna.2018.541849