(3GdNeQ aj VhA GdcJGH hGdSfI (B/s - (3GdTfbjWj, eMeO YeQ MhjIs ((3LOI, GdSYhOjI (B:s (3OGQ GdbHdI ddKbGaI GdESdGejI,s, 1991)
Keywords: (3GdTQH (B((3abg ESdGej(B)s