(3Odjd GdeJQLejf h eDSSGJ GdJQLeI h GdfTQ aj GdhWf GdYQHj (B/ s ((3JhfS (B:s (3GdefXeI GdYQHjI ddJQHjI hGdKbGaI hGdYdhe (B- (3COGQI GdKbGaI,s, 1987)
Keywords: (3GdJQLeIs; (3GdCOdIs; (3GdHdOGf GdYQHjIs