@article{
  author = {Fadavipoor, Elham, Badri, Rashid},
  title = {Imidazolium Hydrogen Sulphate Supported on Copper Oxide Nanoparticles as an efficient simple Heterogeneous Acidic Catalyst for Multi-component Synthesis of 1, 4- dihydro Pyrano [2, 3-c] pyrazoles Derivatives},
  journal = {Iranian Journal of Catalysis},
  year = {2021},
  volume = {11},
  number = {2},
  pages = {165-174},
  doi = {}
}