(3UQGY GdGeQGA (B/ s - (3YHOGdYRjR YHOGdZfi GHQGgjes ([S.N] : (3OGQ GdSGbi , s, 1990)
Keywords: (3GdYUQ GdMOjKs; (3GdSYhOjIs; (3fLOs; (3GdhgGHjIs; (3eMeO Hf YHOGdhgGHs