UTAMI, Sherly Marita. Sistem pengajaran luar sekolah dan evaluasi pada kelas biola di Elfas Music School (EMS). Jurnal Penelitian Pendidikan, [S. l.], v. 17, n. 1, p. 76–82, 2017. DOI: 10.17509/jpp.v17i1.6639. Disponível em: https://ejournal-dppm.upi.edu/jpp/article/view/430. Acesso em: 1 aug. 2026.