Rinaima, C. A., Fauziyah, N., & Kamilah, A. N. (2025). OPTIMIZING SHARIA INVESTMENT PORTFOLIOS USING MODERN PORTFOLIO THEORY: A CASE STUDY OF ICBP AND SIDO IN INDONESIA STOCK MARKET . Airlangga International Journal of Islamic Economics and Finance, 8(02), 123–138. Retrieved from https://e-journal.unair.ac.id/AIJIEF/article/view/74926