SUTRESNA, Asep. Analysis of Social Marketing Campaign Planning "Kobarkan Kebaikan" Pertamina. Ultimacomm: Jurnal Ilmu Komunikasi, [S. l.], v. 10, n. 2, p. 176–190, 2019. DOI: 10.31937/ultimacomm.v10i2.1081. Disponível em: https://ejournals.umn.ac.id/index.php/FIKOM/article/view/1081. Acesso em: 4 jun. 2025.