Syafrizaldi, Iswahyu Pranawukir, Robbi Rahim, Mohamad Sudi, and Slamet Riyadi. 2023. “Comparative Analysis of Communication Strategies in Promoting Csr Programs: Pertamina Vs Petronas”. Jurnal Studi Komunikasi 7 (3), 713 -27. https://doi.org/10.25139/jsk.v7i3.7385.