Wiharno, H. ., A. S. Lesmana, Y. Maulana, and M. N. Komarudin. “STOCK PORTFOLIO OPTIMIZATION IN BULLISH AND BEARISH CONDITIONS USING THE BLACK-LITTERMAN MODEL”. Jurnal Manajemen Dan Kewirausahaan, vol. 25, no. 2, Oct. 2023, pp. 92-104, doi:10.9744/jmk.25.2.92-104.