(3deGPG jfaQO GdEfSGf HGdKbGaI GdKbGaGJ GdHTQjI fTCJgG hJfhYgG (B/ s - (3cGQjPQS, eGjcds; (3LdGd, Thbjs ((3YGde GdeYQaI,s, 1998)
Keywords: (3GdKbGaI GdLeGgjQjIs