Wulandari, Siska, and Rina Nurjannah. “The Influence of Education Level, Occupation, Income and Age in Choosing Mutual Funds As Instruments of Investment”. Jurnal Mantik 7, no. 1 (May 30, 2023): 481-487. Accessed April 21, 2026. https://iocscience.org/ejournal/index.php/mantik/article/view/3737.