Efektivitas Strategi Promosi Produk Kopi Lokal di Rumah Kopi Ranin. Jurnal Komunikasi Pembangunan, [S. l.], v. 17, n. 1, p. 38–54, 2019. DOI: 10.46937/17201926589. Disponível em: https://journal.ipb.ac.id/jurnalkmp/article/view/26589. Acesso em: 23 dec. 2025.