(3GdCef Gdbhej ddNdjL GdYQHj (B/s - (3ahOI, eMeO QVGs ((3HGQjS (B:s (3GdUdGM ddOQGSGJ GdSjGSjI hGdEfJGL,s, 1991)
(3HHdjhLQGajI (B: (3UaMI (B187-189.s
Keywords: (3GdCef Gdbhejs -- (3Ohd GdNdjL GdYQHjIs; (3Ohd GdNdjL GdYQHjIs -- (3SjGSI hMcheIs