(3ef hUGjG GdSda (B/s - (3GdgdGdj, Sdje Hf YjO Hf eMeO,s 1377 (3g`(B-s ((3GdOeGe, GdSYhOjI (B:s (3OGQ GHf GdLhRj,s, 1991)
Keywords: (3GdhYX hGdEQTGOs