@phdthesis{17971,
  author = {Hasan Hashim},
  title = {A Study of Adoption and Acceptance of e-Umrah System in Saudi Arabia: Overcoming Infrastructure Barriers and Limitations},
  year = {2014},
  journal = { Information School},
  volume = {Doctor of Philosophy},
  month = {May 2014},
  publisher = {University of Sheffield},
}