(3GdGeGf hGdGbJUGO ai GdNQSGfI GdeSdMI (B/ s - (3SjO GdTQjas ([S.N] : (3GcGOjejIGdHMK GdYdei , s, 1988)
Keywords: (3GdHfGAs; (3GdYeGQIs; (3GdJTjjOs