(3GdehShYI GdSfhjI GdebGQfI ddbhGfjf hGdJTQjYGJ hGdGfXeI dOhd GdchjJ(B.(3GdHMQjf(B.(3bWQ(B.(3GdGeGQGJ GdYQHjI GdeJMOI(B.(3GdeedcI GdYQHjI GdSYhOjI (B/ s - (3YHOGdNGdb,GMeO SYjOs; (3GdfbjH,eMehO MGeOs ((3GdchjJ(B:s (3eDSSI eMehO MGeO GdfbjH,s, 1978)
(3GdMQjf s
Keywords: (3GdbGfhf GdebGQfs