Astuti, Kun Setyaning, et al. “Effectiveness Imitation, Creation, and Origination Focus Learning by Using Encore to Improve Musicality and Creativity of Nasheed”. International Journal of Instruction, vol. 15, no. 2, Apr. 2022, pp. 751-74, https://e-iji.net/ats/index.php/pub/article/view/410.