Khoiriyah, Zainab, Nurwani, and Laylan Syafina. 2026. “Analysis Of Activity Based Costing And Cost Volume Profit To Determine Optimal Profit At The Eka Jaya Opak Factory”. Al-Kharaj: Journal of Islamic Economic and Business 8 (1). https://doi.org/10.24256/kharaj.v8i1.9245.