(3eYQcI GdMRGe GdPgHi GdGhdi (B/ s - (3MSf GdJgGeis; (3eMeO GdWhjds ([S.N] : (3dG jhLO , s, 1990)
Keywords: (3GdGMhGd GdSjGSjIs; (3GdfRGY GdYQHi GdGSQGFjdis; (3GdhWf GdYQHis; (3GdGMhGd GdGbJUGOjIs; (3GdHJQhds; (3MQH GdNdjLs; (3GhQHGs; (3MQH GcJhHQ (B1973s