(3GdeKba h GdSdWI (B: s (3OQGSI ai GdacQ GdadSai GdaQfSi GdeYGUQ (B/ s - (3GdTjN (B: (3eMeO s ((3HjQhJ (B: s (3OGQ GdWdjYI ddWHGYI hGdfTQ (B: s, 1991)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI s
Keywords: (3GdadSaI GdaQfSjIs -- (3JGQjNs -- (3GdYUQ GdMOjKs