(3fXQI GdbQBf Edi GdLQjeI hGdYbGH (B/s - (3GdbjYj, eMeO YHO GdefYes ((3GdbGgQI (B:s (3OGQ GdefGQ ddWHY hGdfTQ,s, 1988)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3HHdjhLQGajI (B: (3U(B. 331-334.s
Keywords: (3GdESdGe hGdeLJeYs; (3GdLQjeI hGdeLQehfs; (3ecGaMI GdLQjeIs