(3GdMhQ GdYjf Yf cJH GdYde GdTQGFa Ohf GdfSGA GdYaGFa (B/s - (3GdMejQj, fThGf Hf SYjO ,s (3J(B. 573 (3g`(B.s; (3eUWai, ceGds ((3HjQhJ (B:s (3OGQ BRGd ddWHGYI h GdfTQ h GdJhRjY ;s (3UfYGA (B:s (3GdecJHI GdjefjI,s, 1985)
Keywords: (3GdebGeGJ GdYQHjIs