Siswanto, et al. “Symbolic Expression in Folk Songs of Glondangan Art in Jember: An Ethno-Poetic and Cultural Semiotic Study”. Journal of Indonesian Literacy and Indigenous Culture, vol. 1, no. 2, Dec. 2025, pp. 17-30, https://journal.unesa.ac.id/index.php/JILIC/article/view/38045.