(3GLQGS(B: (3GYeGd bUUjI (B1988-1950 / s - (3MeOi YjSi GdUbQs ([S.N] : (3OGQ GdTFhf GdKbGajI , s, 1991)
Keywords: (3GdbUUs; (3GdbUI GdYQHjIs; (3GdeLehYGJs