PENGARUH PROMOSI DAN SALURAN DISTRIBUSI TERHADAP KEPUTUSAN PEMBELIAN PADA BUBUK KOPI JM PAYAKUMBUH. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 3, p. 4913–4921, 2026. DOI: 10.54314/jssr.v9i3.6709. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/6709.. Acesso em: 30 aug. 2026.