TY - JOUR AU - sarjono, haryadi AU - Boyke __Setiawan __Soeratin, Boyke __Setiawan __Soeratin AU - Richard __Ananda __Gunawan, Richard __Ananda __Gunawan TI - How to optimize the CPO Share Portfolio in the Composite Stock Price Index JO - International Journal of Management and Business Research VL - 8 IS - 2 SP - EP - PY - 2024 DO - ER -