(3cJGH GdbQGAI Nda GdEeGe (B/s - (3GdHjgbj, CMeO Hf GdMSjf Hf Ydj,s 384-458 (3g`(B.s; (3RZdhd, eMeO GdSYjO HSjhfjs ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 1984)
(3HHdjhLQGajI (B: (3U(B. 227.s
Keywords: (3GdUdGI (B((3abg ESdGej(B)s; (3UdGI GdLeGYIs