(3GdefGgd GdMSGf aj OQhS QeVGf (B:s (3hjdjg OYGA NJe GdbQBf (B/s - (3GdSdeGf, YHO GdYRjR GdeMeOs 1337-1422 (3gLQjs ([(3O(B.(3e(B.] :s (3GdecJHI GdJLGQjI (B- (3eUWai CMeO GdHGR ,s, 1989)
Keywords: (3GdUhe s; (3QeVGfs; (3abg GdYHGOGJs; (3OYGA NJe GdbQBfs