1. Politeknik Elektronika Negeri Surabaya, Jl. Raya ITS, Keputih, Kec. Sukolilo,Department of Electrical Engineering,Surabaya,Indonesia,60111
2. Politeknik Elektronika Negeri Surabaya, Jl. Raya ITS, Keputih, Kec. Sukolilo,Department of Information and Computer Engineering,Surabaya,Indonesia,60111
3. Information System, Universitas Nahdlatul Ulama Surabaya, Jl. Raya Jemursari No.57, Jemur Wonosari, Kec. Wonocolo,Surabaya,Indonesia,60237