List of Articles operational efficiency Open Access Article Abstract Page Full-Text 1 - Determining of optimal risk level and optimal structure of capital based on logarithmic model of Border Operational Efficiency in Banks mir hamid sadat salmasi iman dadashi hasmidreza gholamnia roshan Open Access Article Abstract Page Full-Text 2 - The audit committee effectiveness and the firm operational efficiency: ownership structures as a moderator Allah Karam Salehi Mosa Mahmoudi Ehsan Fathi Skandar Mousa Bagheri Kahkesh 10.71965/aft.2024.1127325