(3GdbhGfjf GdebjOI ddMbhb GdeOfjI hGdSjGSI (B:s (3ai GdJTQjY GdeUQi (B/s - (3YHO Gddg Ndjd s; (3eMeO EHQGgje cGed(B.s ((3GdbGgQI (B:s (3eQcR GdMVGQI GdYQHjI ,s, 1993)
. 352 -339 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3jTJed Ydj GQLGYGJ HHdjhLQGajI(B.s
(3GdfU CZdHg HGddZI GdYQHjI eY HYV GdfUhU GdEfLdjRjIs
Keywords: (3GdMeGjI GdLfGFjI ddMQjGJ GdTNUjIs; (3GdbGfhf GdLfGFjs