- https://wirasetiawan29.wordpress.com/2015/11/02/tutorial-android-indonesia/
- https://pratamawijaya.com/android-programming-tutorial
- http://www.jakapramana.com/2015/03/download-ebook-tutorial-belajar_29.html
- https://developer.android.com/studio/install.html
- https://github.com/futurice/android-best-practices
- https://www.udacity.com/course/developing-android-apps--ud853
- http://equallysimple.com/best-android-development-video-tutorials/