(3eLehYI GdeUWdMGJ GdYdejI GdJi GbQgG GdeLeY (B/ s - (3eLeY GddZI GdYQHjIs ([S.N] : (3eLeY GddZI GdYQHjI , s, 1981)
Keywords: (3GdcJHs; (3GdOhQjGJs; (3GdeWHhYGJs