Pengembangan Media E-Learning Berbasis Learning Management System (LMS) Moodle pada Materi Trigonometri di Kelas X SMAN 1 Lingsar - Munandar, Abdul Haris; Amrullah, Amrullah; Junaidi, Junaidi; Arjudin, Arjudin (Griya Journal of Mathematics Education and Application, 2022)