Hassan، A. S. (1978). Analysis of Manufacturing Overhead Variances Under a Responsibility Accounting System. مجلة الاقتصاد والإدارة، ع6 ، 24 - 36. مسترجع من http://search.mandumah.com/Record/655377
Hassan، Abbas Shafie. "Analysis of Manufacturing Overhead Variances Under a Responsibility Accounting System." مجلة الاقتصاد والإدارة ع6 (1978): 24 - 36. مسترجع من http://search.mandumah.com/Record/655377