@article{
  author = {Adelzadeh, Ali},
  title = {The Authentication of the Letter of the Second Caliph to Muʿāwiya ibn Abī Sufyān},
  journal = {The Journal of Islamic History and Civilisation},
  year = {2023},
  volume = {18},
  number = {4},
  pages = {3-32},
  doi = {10.30495/jhcin.2023.21780}
}