SABELA, Noverta; AMINAH, Siti. Determinants of Purchasing Decisions for Kopi Janji Jiwa in Sidoarjo: The Role of Digital Marketing and e-WOM. Golden Ratio of Marketing and Applied Psychology of Business, [S. l.], v. 6, n. 2, p. 652–665, 2026. DOI: 10.52970/grmapb.v6i2.2278. Disponível em: https://goldenratio.id/index.php/grmapb/article/view/2278. Acesso em: 28 aug. 2026.