(3GdJQLeI heTcdGJgG (B/ s - (3GHQGgje Rci NhQTjOs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddJCdja hGdfTQ , s, 1985)
Keywords: (3GdYdes; (3GddZI GdYQHjIs; (3GdJQLeIs