Anjar Sari R. METODE LATIHAN PADUAN SUARA PADA SPENSIX CHOIR SMP NEGERI 6 SURABAYA. JPS [Internet]. 8Jun.2017 [cited 18May2024];5(1). Available from: https://ejournal.unesa.ac.id/index.php/jurnal-pendidikan-sendratasik/article/view/19564