Colline, F. ., Rusmanto, T. ., Warganegara, D. L. ., & Hutagaol, Y. R. I. . (2025). The determinants of perceived risk: A moderating role of investor sophistication . Humanities and Social Sciences Letters, 13(1), 168–186. https://doi.org/10.18488/73.v13i1.4045