(3YhGed Jchjf GSQGFjd (B:s (3GdSjGSjI hGdYScQjI h GdGbJUGOjIs - (3GfLdjfG GdMdh s ((3HjQhJ (B:s (3efXeI GdJMQjI GdadSWjfjI (B_ (3eQcR GdCHMGK (B,s, 1967)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdcjGf GdUgjhfj s; (3GdbVjI GdadSWjfjI s; (3GdSjGSI GdYScQjI s; (3GdGbJUGO hGdSjGSI aj GSQGFjd s