(3GdGTJQGcjI hGdGSJKeGQGJ GdNGUI (B. (3fbO YbdGfi Ydi GdGbJUGO GdeGQcSi (B/ s - (3GSeGYjd GdegOhis ([S.N] : (3dLfI GdGYdGe hGdOQGSGJ GdeSJbHdjI , s, 1990)
Keywords: (3GdGTJQGcjIs; (3GdfXe GdGbJUGOjIs