Elfina H, Muthawali DI, Marito W, Ramadhani R, Siregar RF, Riani N. Pelatihan Penggunaan Autograph Pada Materi Program Linier Di Mas Plus Al Ulum Medan. JH [Internet]. 2025 Feb. 1 [cited 2026 Aug. 3];5(1):438-43. Available from: https://jahe.or.id.203-175-9-160.cpanel.site/index.php/jahe/article/view/2215