(3GfSGf (B((3gOjI ef GdGOjH YHOGdaJGM GdLed(B) / s - (3eMehO eSYhOs; (3aGdGJTi, GhQjGfGs ([S.N] : (3OGQ GdgdGd ddWHGYI hGdfTQ , s, 1990)
Keywords: (3GdbUU GdGfLdjRjI GdeJQLeIs; (3GdGOH GdGfLdjRis; (3GdGOH GdGfLdjRi GdeJQLes