SIHOMBING, Kevin Afriandi; CHODIDJAH, Suryani. Pengaruh Kualitas Pelayanan, Kualitas Produk Dan Promosi Terhadap Keputusan Pembelian Di Kopi Kenangan. Journal of Economics, Bussiness and Management Issues, [S. l.], v. 3, n. 1, p. 13–22, 2025. DOI: 10.47134/jebmi.v3i1.821. Disponível em: https://economics.pubmedia.id/index.php/jebmi/article/view/821. Acesso em: 4 jun. 2026.