@article{arshad2017green,
  title = {Green IoT: An Investigation on Energy Saving Practices for 2020 and Beyond}
  author = {Arshad, Rushan and Zahoor, Saman and Shah, Munam Ali and Wahid, Abdul and Yu, Hongnian},
  journal = {IEEE Access},
  url = {http://ieeexplore.ieee.org/document/7997698/},
  year = {2017}
}