(3SjGSGJ hJNWjW GdJLGQI GdNGQLjI (B/ s - (3eUWai eMeO YR GdYQHs ([S.N] : (3GdOGQ GdeUQjI GddHfGfjI , s, 1988)
Keywords: (3GdSjGSI GdJLGQjIs; (3GdYdGbGJ GdGbJUGOjI GdOhdjIs; (3GdJLGQI GdNGQLjIs; (3GdGSJjQGOs; (3GdJUOjQs; (3GdGJaGbjGJ GdJLGQjIs