WULANDARI, S.; NURJANNAH, R. The influence of education level, occupation, income and age in choosing mutual funds as instruments of investment. Jurnal Mantik, [S. l.], v. 7, n. 1, p. 481-487, 2023. DOI: 10.35335/mantik.v7i1.3737. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/3737. Acesso em: 21 apr. 2026.