ANUGRAH, Fajar Tangguh. Effect of Promotion and Ease of Use on Customer Satisfaction and Loyalty on OVO Application Users. Quantitative Economics and Management Studies, [S. l.], v. 1, n. 1, p. 44–50, 2020. DOI: 10.35877/454RI.qems77. Disponível em: https://qemsjournal.org/index.php/qems/article/view/77. Acesso em: 10 jul. 2026.