(3GdGHOGY (B/s - (3NRfOGQ, YGHOs ((3GdbGgQI (B((3eUQ(B) :s (3GdgjFI GdeUQjI GdYGeI ddcJGH,s, 1988)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3O(B. (3LGHQ YUahQ ;s
Keywords: (3GdGHOGYs; (3GdGHOGY hGdJacQs