Hidayatullah R, Tejapermana P. Kelas Gitar Akustik Berbasis Pembelajaran Kooperatif. Gondang [Internet]. 2020 Dec. 4 [cited 2025 Apr. 24];4(2):137-43. Available from: https://jurnal.unimed.ac.id/2012/index.php/GDG/article/view/18676