(3GdJZjQ GdMVGQi ai eLJeY GaQjbi OQGSI GfKQhHhdhLjI dbHGFd GdGRGfOi (B((3fjGe fjGe(B) / s - (3eMji GdOjf UGHQs ([S.N] : (3GdecJHI GdYUQjI ddfTQ hGdJhRjY , s, 1987)
Keywords: (3GdJfejI GdGLJeGYjIs; (3GdShOGfs; (3GdGMhGd GdKbGajIs; (3GdGfKQHhdhLjGs; (3GdJZjQ GdGLJeGYis; (3GdbHGFds; (3GdgLQI GdOGNdjIs; (3GdGLJeGY, Ydes; (3GdGRGfOis; (3fjGe fjGes; (3GaQjbjG (B- (3GdGMhGd GdGLJeGYjIs