NURUL IMAN; ELLY YUNIAR NITAWATI. The Effect of Heuristics (Anchoring Availability) and Risk Tolerance on Portopolio Diversifacation with Finansial Planning as a Mediator Gen Z in Surabaya City. Jurnal Ilmiah Multidisiplin Indonesia (JIM-ID), [S. l.], v. 5, n. 04, p. 890–906, 2026. Disponível em: https://ejournal.seaninstitute.or.id/index.php/esaprom/article/view/8417. Acesso em: 29 apr. 2026.