Rahmadi, M. D., Yahya, L. ., & Nuha, A. R. . (2024). Business Index 27 Stock Portfolio Optimization Using the Black Litterman Model Accompanied by Value At Risk Calculation: Bahasa Indonesia. Jurnal Matematika, Statistika Dan Komputasi, 21(1), 136-146. https://doi.org/10.20956/j.v21i1.36306