(3GHQGgje YHOGdbGOQ GdeGRfi (B: s (3Hjf GdJGQjN hGdaf GdUMai (B/ s - (3eMehO GOges ((3GdbGgQI (B: s (3ecJHI GdGfLdhGdeUQjI , s, 1991)
Keywords: (3GdUMGaI GdYQHjIs; (3GHQGgje YHOGdbGOQ GdeGRfis; (3GdUMGaI hGdGOHs; (3GdebGdI GdYQHjIs; (3GdUMGaI (B- (3JMQjQs