PUSPITA S., Alika Sandra; PUTRI, Idola Perdini. The Semiotics Analysis in Delivering Message How to Prevent Covid-19 on Grab Advertisement. Jurnal Ilmiah LISKI (Lingkar Studi Komunikasi), [S. l.], v. 7, n. 2, p. 62–70, 2021. DOI: 10.25124/liski.v7i2.3631. Disponível em: https://journals.telkomuniversity.ac.id/liski/article/view/3631. Acesso em: 20 mar. 2026.