Sindi Nurhaliza,
Study Program of Vocational Education of Electronics Engineering, Faculty of Teacher Training and Education, Universitas Muhammadiyah Riau, Indonesia
Noverta Effendi,
Study Program of Vocational Education of Electronics Engineering, Faculty of Teacher Training and Education, Universitas Muhammadiyah Riau, Indonesia
Fitri Farida,
Study Program of Vocational Education of Electronics Engineering, Faculty of Teacher Training and Education, Universitas Muhammadiyah Riau, Indonesia