R. F. El Averous and A. . Nurjamin, “Analisis Sistem Appraisal dalam Puisi ‘Aku’ Karya Chairil Anwar: Perspektif Systemic Functional Linguistics”, JILL, vol. 1, no. 1, pp. 199–209, Feb. 2026, Accessed: Mar. 15, 2026. [Online]. Available: https://coretanpena.org/jill/article/view/30