Johannes Alexander Putra
| Gender | Male |
|---|---|
| Industry | Education |
| Location | Indonesia |
| Interests | Computer, Education |
| Favorite books | Pemrograman Berorientasi Objek, Algoritma dan Pemrograman, Logika Algoritma dan Pemrograman Dasar, Introducing to Java Programming, Operating System, Computer Architecture, 7 in 1 Pemrograman Web Tingkat Lanjut |