(3ehShYI GdeUWdMGJ GdGbJUGOjI (B/s - (3MSjf YeQs ((3GdbGgQI (B:s (3ecJHI GdbGgQI GdMOjKI,s, 1965)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs