Hasnafi’ah, Nida. “MARKETING COMMUNICATIONS MC DONALD’S SLAMET RIYADI IN INCREASING COMPETITIVENESS”. Solidaritas: Jurnal Ilmu-Ilmu Sosial 8, no. 2 (January 23, 2025). Accessed January 31, 2025. https://ejurnal.unisri.ac.id/index.php/sldrts/article/view/11406.