(3GdchO GdOhdi ddGTGQGJ (B/ s - (3eMeO GMeO GOes; (3eMeO YHOGdLdjds ([S.N] : (3GdGcGOjejI GdYQHjI ddfbd GdHMQi , s, 1991)
Keywords: (3GddGSdcis; (3GdGJUGdGJs; (3GdGJUGdGJ GdYScQjIs; (3GdGTGQI GdYScQjIs; (3GdGTGQGJ GdVhFjIs