Parta Wijaya, T., and Harisnal. “Extracurricular Band Activities at Sma Negeri 1 Seluma, Bengkulu Province”. Avant-Garde: Jurnal Ilmiah Pendidikan Seni Pertunjukan, vol. 1, no. 1, Feb. 2023, pp. 53-65, doi:10.24036/ag.v1i1.6.