1. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering;Y Aafer,2013
2. Android operating system security. http://developer.android.com/guide/topics/security/permissions.html . Accessed 5 July 2016
3. Apktool. https://ibotpeaches.github.io/Apktool/ . Accessed 5 July 2016
4. Appbrain. http://www.appbrain.com/stats/number-of-android-apps . Accessed 18 July 2016
5. Apvrille, A., Nigam, R.: Obfuscation in android malware, and how to fight back. Virus Bull. 1–10 (2014)