Sandopart, Dewa Putu Yohanes Agata L. “From Celebrity to Speculator – Retail Investor Experiences With Controversial Endorsements and Stock Price Dynamics in Indonesia’s Emerging Market”. Jurnal Ekonomi, Manajemen, Dan Bisnis, vol. 4, no. 1, Mar. 2026, pp. 64-72, https://doi.org/10.70716/emis.v4i1.484.