1. Ahmed, A., Zhang, N., 2008. A context-risk-aware access control model for ubiquitous environments. In: Computer Science and Information Technology, 2008. IMCSIT 2008. International Multiconference on, IEEE, pp. 775–782.
2. Android, Android developers-mainfest.permission (2016). URL 〈http://developer.android.com/reference/android/Manifest.permission.html〉.
3. Android, Android developers-mainfest.permission (2016). URL 〈https://developer.android.com/reference/android/Manifest.permission.html#ACCESS_WIFI_STATE〉.
4. Android, permission - android developers (2017). URL 〈https://developer.android.com/guide/topics/manifest/permission-element.html〉.
5. Android, Requesting permissions - android developers (2017). URL 〈https://developer.android.com/guide/topics/permissions/requesting.html〉.