Anita, R., and A. Fitriyono. “SIMFONI NUSANTARA BOOK AS A LEARNING MEDIA FOR VIOLIN MUSIC IN CHILDREN: Array”. CITRA : International Journal of Community Service, Informatics, Technology, Research in Education, Art and Humanities, vol. 1, no. 1, July 2022, pp. 46-56, https://journal.citradharma.org/index.php/citra/article/view/110.