K. Sathya Yogindra Aditia, S. Syamsurijal, S. Sutarman, A. Syahid, and H. Hastuti, “A Historical Analysis of Chairul Anwar’s Poetries Entitled ‘Aku’ and “Tak Sepadan"”, DJPBS, vol. 5, no. 2, pp. 1174-1180, Jun. 2025.