(3JLGQH YdejI eSdjI aj GdCMjGAs - (3OGQ GdQTjOs ((3OGQ GdQTjOs (3OeTbs, 1990)
Keywords: (3Ydhe GdMjGI GdCMjGA (B- (3Yde s; (3GdCMjGA (B- (3Yde(B- (3JLGQH s