(3QSGFd GdGMRGf ai adSaI GdLeGd hGdMH (B/ s - (3eUWai UGOb GdQGaYis ([S.N] : (3OGQ GdcJGH GdYQHi , s, 1982)
Keywords: (3GdGOH GdYQHis; (3GdQSGFd GdYQHjIs; (3JGQjN hfbOs