CITRANING SAYEKTI D, HANDAYANINGRUM W. PEMBELAJARAN PIANO BEGINNER GRADE 1-2 PROGRAM PRIVATE CLASS DI SEKOLAH MUSIK INDONESIA CABANG RUNGKUT SURABAYA. Jurnal Pendidikan Sendratasik [Internet]. 2018 Dec. 26 [cited 2025 Aug. 20];6(1). Available from: https://ejournal.unesa.ac.id/index.php/jurnal-pendidikan-sendratasik/article/view/26390