Septiana, Rizka. “Bundling Product Program As A Marketing Public Relations Strategy of Erafone Mal-Pik-Avenue in Maintaining Brand Awareness”. Ultimacomm: Jurnal Ilmu Komunikasi, vol. 17, no. 1, Dec. 2025, pp. 1-22, https://ejournals.umn.ac.id/index.php/FIKOM/article/view/4196.