(3GdCSQI h GdWahdI (B:s (3OQGSGJ ELJeGYjI h CfKQhHhdhLjI (B/s ((3GScfOQjI (B:s (3OGQ GdeYQaI GdLGeYjI,s, 1993)
(3jMJhi Ydi bGFeI HjHdhLQGajI HGdeQGLY(B.s
1
Keywords: (3GdCSQI(B.s; (3GdWahdI(B.s