(3GQTGOGJ GdeQGLYI(B: (3GdcJGH GdGhd GQTGOGJ eYGjjQ GdYed GdejOGfi (B/ s - (3Gejf GdSjO GMeO dWais ([S.N] : (3OGQ GdfgVI GdYQHjI , s, 1993)
Keywords: (3eQGLYI GdMSGHGJs; (3GdGOGQIs; (3GdJNWjWs