(3Gh ZSJ chfJ (B/ s - (3efi GdfLGQ GdQGaYis; (3dGcQhG, LGfs ([S.N] : (3GdeDSSI GdYQHjI ddOQGSGJ hGdfTQ , s, 1977)
Keywords: (3GdadSaIs; (3GdadGSaIs; (3GdadSaI GdZQHjIs; (3GdadSaI GdaQfSjIs