@article{
  author = {Davarpanah, Jamal, Khoram, Reza},
  title = {Synthesis of Pyranopyrazole Compounds Using Heterogeneous Base Catalyst Based on 1,3,5-Triazine-2,4,6-Triamine Modified Nano Rice Husk Silica},
  journal = {Journal of Nanoanalysis},
  year = {2017},
  volume = {4},
  number = {1},
  pages = {20-30},
  doi = {10.22034/jna.2017.01.003}
}