Muzadi MR, Sudrajad OY. Optimal Investment Strategy Selection: Real Options Approach in Indonesia’s Oilfield Drilling Services. JR [Internet]. 2 Juni 2026 [dikutip 16 Juni 2026];10(1):1-19. Tersedia pada: https://jurnal.stiekrakatau.ac.id/index.php/relevansi/article/view/374