(3GdTYQ GdYQHi bHd GdGSdGe Hjf GdGfJeGA GdbHdi hGdMS Gdbhei (B/s - (3GdQGhi, eUYH MShfs ((3HZOGO (B((3GdYQGb(B) :s (3OGQ GdTFhf GdKbGajI GdYGeI,s, 1989)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
(3O(B. (3LGHQ YUahQ ;s
Keywords: (3GdTYQ GdYQHis -- (3JGQjN hfbOs -- (3GdYUQ GdLGgdis