E. ERERDİ, O. ALTUNTAŞ, T. ÇELİK, and M. AKIN, “CAPITAL-CONSTRAINED AI INVESTMENT: A REAL OPTIONS AND EFFICIENCY FRONTIER APPROACH TO LANGUAGE MODEL FINE-TUNING”, BJSS, vol. 2, no. 01, pp. 15–24, Jun. 2026, doi: 10.64734/bjss.2-1-02.