(3eTcdI GdOhQ GdOjcGQJj (B/s - (3GdQHjY, ejehfs ((3GdLRGFQ (B:s (3GdeDSSI GdhWfjI ddfTQ h GdJhRjY ,s, 1982)
Keywords: (3GdeSjQI GdadSajI s; (3eTcdI GdOhQs; (3GdOhQ GdOjcGQJj s