HARYANTO, T.; RETNANINGRUM, M. The Impact of Marketing Expenditure on Firm Performance. Jurnal Manajemen Bisnis, [S. l.], v. 11, n. 2, p. 188–201, 2020. DOI: 10.18196/mb.11297. Disponível em: https://journal.umy.ac.id/index.php/mb/article/view/8407. Acesso em: 6 may. 2025.