(3GdEJaGbjI GdChQhHjI(B:s (3dMeGjI Mbhb GdEfSGf hGdMQjGJ GdCSGSjI hGdbhGYO GdecedI dgG WHbkG ddeHGOF GdYGeI ddbGfhf GdOhdj (B/ s - (3YHOGdYRjR eMeO SQMGfs ((3GdbGgQI(B:s (3OGQ GdfgVI GdYQHjI,s, 1966)
. 452-451(3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU CZdHg HGddZI GdYQHjI eY HYV GdfUhU GdaQfSjIs
Keywords: (3Mbhb GdehGWfIs; (3GdbGfhf GdOhdj GdYGes