Dzulkhaffi Muhammad Arieful Husna and Otong Setiawan Djuharie, “Exploring Sadness and Hope in the Lyrics of the Pop Song ‘Diary Depressiku’ by Last Child: A Semiotic Analysis”, Jejak digital, vol. 1, no. 4, pp. 1280–1288, Jun. 2025, doi: 10.63822/57tbjh76.