(3SdWI GdbGVi GdJbOjQjI ai GdehGO GdeOfjI hGdJLGQjI (B:s (3OQGSI JMdjdjI JWHjbjI (B/s - (3fHjd GSeGYjd YeQs ((3GdGScfOQjI (B: s (3efTGJ GdeYGQa , s, 1984)
Keywords: (3GdbGfhfs; (3bGfhf GdeQGaYGJs; (3GdbGfhf GdeOfis; (3GdbVGIs