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. esaprom [Internet]. 2026 Apr. 23 [cited 2026 Apr. 29];5(04):890-906. Available from: https://ejournal.seaninstitute.or.id/index.php/esaprom/article/view/8417