Eko Marpanaji (Department of Electronics and Informatics Engineering Education
Faculty of Engineering
Yogyakarta State University, Indonesia)
Masduki Zakarijah (Department of Electronics and Informatics Engineering Education
Faculty of Engineering
Yogyakarta State University, Indonesia)
Nikko Aji Bayu Nugraha (Department of Electronics and Informatics Engineering Education
Faculty of Engineering
Yogyakarta State University, Indonesia)