FAUZAN, ANANDYA FAKHIRATUNISA (2026) Portofolio Optimal Single Index Model dan Constant Correlation Model Pendekatan Data Envelopment Analysis Berdasarkan Risiko=Optimal Portfolio of the Single Index Model and Constant Correlation Model with Data Envelopment Analysis Approach Based on Risk. Skripsi thesis, Universitas Hasanuddin.