These are several of my portfolio and publication. I don't post my portfolio from company I have worked for because some policy restrict me to do that. But that unlisted portfolio can be seen from my CV.
- Perancangan Sistem Pengelola Data Kehadiran Pegawai Universitas Negeri Jakarta menggunakan Kartu RFID (Radio Frequency Identification) Berbasis Program Java - 2009 - Research funded by Lembaga Penelitian UNJ. Improvement of Undergraduate Thesis descibed previously.
- Pengembangan Perangkat Lunak Pengelola Data Kehadiran Pegawai Jurusan Teknik Elektro UNJ Menggunakan Java dan RFID (Development of Employee Attendance Data Management Software at Electric Department Universitas Negeri Jakarta Use Java and RFID) - 2008 - Undergraduate Thesis (download here)
- Kartu sakti Multi Guna Menggunakan RFID (Multi Purpose Mighty Card Use RFID) - 2007 - Electronic Engineering and Software Project Presented at Electro-Technical Creation Contest 2007 at Institut Teknologi Sepuluh Nopember Surabaya, Indonesia
- Server SMS Jadwal Shalat menggunakan Java (Pray Time SMS Server Use Java) - 2006 - Software Project Presented at Indonesia Mobile-Com Creativity Contest 2006 at Institut Teknologi Sepuluh Nopember Surabaya, Indonesia.
Otherwise it stated source code is still available for my listed portfolio, please don't ask it because I myself don't keep it anymore.