(3GdeQCI , GdJMQQ , GdEHOGY (B/s - (3SYjO, NGdOIs ((3GdOGQ GdHjVGA (B((3GdeZQH(B) :s (3fTQ Gdafc,s, 1991)
(3jTJed Ydi GQLGYG HHdjhLQGajI(B.s
(3O(B. (3LGHQ YUahQ ;s
Keywords: (3GdeQCIs -- (3GdYGde GdYQHis; (3GdeQCI ai GdGOHs