Putra Wahyudi Siregar, Solly Aryza and Siti Anisah (2024) “Design Of DC Motor Coupling System As Backup Electric Energy Based On Microcontroller”, Jurnal Scientia, 13(03), pp. 533-547. Available at: http://seaninstitute.org/infor/index.php/pendidikan/article/view/2527 (Accessed: 8October2025).