Browsen in "International Journal of Energy Economics and Policy (IJEEP)" nach Personen Hasbullah, Endang Soeryana
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| Jahr | Titel | Personen |
|---|---|---|
| 2021 | Quadratic investment portfolio based on value-at-risk with risk-free assets : for stocks of the mining and energy sector | Pandiangan, Naomi; Sukono; Hasbullah, Endang Soeryana |