Yuntoto S. Development of Android Applications as an Operating System Media for Learning Electronic Control Competencies in ClassXI students SMKN 2 Pengasih . Mandiri [Internet]. 2021 Jul. 30 [cited 2026 Apr. 21];10(1):1-7. Available from: https://ejournal.isha.or.id/index.php/Mandiri/article/view/98