Al Fajri, Sri Intan, and Irdhan Epria Darma Putra. 2023. “Improving Student Learning Outcomes of Music Ensembles Using the Demonstration Method”. Avant-Garde: Jurnal Ilmiah Pendidikan Seni Pertunjukan 2 (2):129-33. https://doi.org/10.24036/ag.v2i2.93.