(3GdJLQHI GdHMKjI deDSSI GdGPGYI hGdJdaRjhf GdeUQjI (B1964 - 1987(3e (B/ s - (3YGWa Ydi GdYHOs ([S.N] : (3OGQ GdgGfi ddWHGYI , s, 1989)
Keywords: (3eUQs; (3GdJdjaRjhfs; (3GdGYdGes; (3hSGFd GdGYdGes; (3GdGPGYIs