Android:
http://www.twoh.co/2012/10/android-development-instalasi-java-development-kit-jdk/
http://www.twoh.co/2014/12/menyiapkan-android-studio-ide-untuk-membuat-aplikasi-android/
http://www.jakapramana.com/2015/03/download-ebook-tutorial-belajar_29.html
http://omayib.com/
http://www.twoh.co/
http://khannedy.com/2013/12/11/membuat-aplikasi-sms-gateway-di-android/
https://bitbucket.org/khannedy/homebrew-download/downloads/Membuat%20Aplikasi%20Android%20SMS%20Gateway%20-%20FREE%20EDITION.pdf
http://khannedy.com/download/
emulator android : genymotion.com
JAVA
http://umardanny.com/tutorial-java-lengkap-pdf/
https://app.box.com/s/mlw1pymsj9azm8trq8wwqwnk2m1asndi
http://umardanny.com/tutorial-java-bahasa-indonesia-pdf/
http://khannedy.com/buku-java-gratis/
http://blog.taryo.net/2013/10/free-e-book-pemrograman-java-edisi-indonesia-lengkap.html
http://cyberlearning.web.id/moodle/login/index.php
https://pakarjava.wordpress.com/java-dasar/
belajar java online langsung praktek : http://learnjavaonline.org/
