(3ZGjI GdMjGI W(B2s - (3RjGOI(B. (3ejs ((3eDSSI fhads (3HjQhJs, 1980)
Keywords: (3GdebGdGJ GdCOHjI GdYQHjIs; (3GdCOH GdYQHj (B- (3ebGdGJ s