(3eHGOF GdEbJUGO GdYGe (B/s - (3MGeO YHO GdeLjO OQGRs ((3GdEScfOQjI (B:s (3eDSSI THGH GdLGeYI,s, 1972)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs