Puspita S., A., & 		Putri, I.
(2021).
 The Semiotics Analysis in Delivering Message How to Prevent  Covid-19 on Grab Advertisement.
<em>Jurnal Ilmiah LISKI (Lingkar Studi Komunikasi), 7</em>(2), 62 - 70.
doi:10.25124/liski.v7i2.3631