Chandra, Kevin, Rizal Ruben Manullang, dan Zamhari. “ANALISIS PENGARUH KANAL PROMOSI MEDIA SOSIAL INSTAGRAM TERHADAP OMZET KEDAI CANDU COFFEE PANGKALPINANG”. JURNAL PROGRESIF MANAJEMEN BISNIS 10, no. 2 (November 3, 2023): 152–158. Diakses November 22, 2024. https://e-jurnal.stie-ibek.ac.id/index.php/JIPMB/article/view/289.