Design and Implementation of the GABC Model to Calculate the Cost of Outsourcing Services with Emphasis on Sustainability Concepts

Assistant Professor of Accounting Department, Fasa Branch, Islamic Azad University, Fasa, Iran

Ph.D. student of Accounting Department, Yasooj Branch, Islamic Azad University, Yasooj, Iran

Assistant Professor of Accounting Department, Yasooj Branch, Islamic Azad University, Yasooj, Iran