(3GdehdhO GdGhd efP hdGOJI MJi YGeI GdKGdK (B/ s - (3HjfGQO, cdhOs ([S.N] : (3GdOGQ GdOhdjI ddfTQ hGdJhRjY , s, 1991)
Keywords: (3GdJQHjIs; (3GdGWaGds; (3GeQGVs; (3Yde GdfaSs; (3GdYfGjI GdUMjIs; (3JZPjIs; (3fehs; (3GdGWaGd GdQVYs; (3GdQYGjI hGdYdGLs