(3QSGFd ef GQV GdajQhR (B/ s - (3MSf UHQi eMeOs; (3GjgGH TGcQ (B((3QShe(B)s ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1994)
Keywords: (3GdbUU GdYQHjIs; (3GdGWaGds; (3bUU GdGWaGds