(3LdGd GdOjf GdSjhWj (B: s (3eSjQJg GdYdejI h eHGMKg GddZhjI (B/ s - (3GdTcYI, eUWais ((3GdbGgQI (B:s (3GdOGQ GdeUQjI GddHfGfjI,s, 1994)
Keywords: (3GdESdGes; (3GdJQGLes