Widuhung, Sisca Debyola, Zul Karnen, and Yatimin Yatimin. 2026. “Integrating Sharia Principles into Portfolio Optimization: Empirical Evidence from the Indonesian Islamic Capital Market”. MIX: JURNAL ILMIAH MANAJEMEN 16 (1). Jakarta, Indonesia:126-36. https://doi.org/10.22441/jurnal_mix.2026.v16i1.009.