(3QjGV GdGWaGd (B: s (3hGbY h efgGL (B/ s - (3GdNWjH (B: (3QfGO jhSas ((3YeGf (B: s (3eDSSI OGQ GdMfGf (B: s, 1988)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI (B((3U(B129-135s
Keywords: (3JYdje GdGWaGds; (3QjGV GdGWaGds