Patriansah, M. “POSTER ANALYSIS OF PUBLIC SERVICES ADVERTISING BY SEPDIANTO SAPUTRA: STUDY OF SAUSSURE SEMIOTICS”. Arty: Jurnal Seni Rupa, Vol. 9, no. 3, Dec. 2020, pp. 203 -14, https://journal.unnes.ac.id/sju/arty/article/view/43654.