(3eGQJf dhKQ cjfZ (B/ s - (3HjfjJ, djQhfs; (3OjQcj, eMeOs ((3OeTb (B:s (3OGQ bJjHg ddWHGYI h GdfTQ h GdJhRjY,s, 1990)
Keywords: (3GdJQGLes