(3CJMGO GdLeghQjGJ GdTYHjI GdjhZhSdGajI (B:s (3GdJfXje GdSjGSj hGdCbJUGOj (B.s ((3eUQ (B:s (3QjGSI GdLeghQjI ecJH GdQFjS ddCHMGK GdCbJUGOjI (B,s, 1950)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3Ydhe SjGSjI s