(3ESJQGMg (B/ s - (3GdeMGej, YHOGddg GdMSfs ((3HjQhJ (B:s (3OGQ GdLjd,s, 1986)
Keywords: (3GdCOH GdYQHjs; (3GdebGdGJs; (3GdebGdGJ GdCOHjgs