(3bGdhG aj GdeQCI (B: s (3GdeQCI h GdMjGI , GdeQCI h GdMH , GdeQCI h GdCSQI , GdeQCI h GdWHjYI (B/ s - (3GdWjHj, YcGTg YHO GdefGfs ((3HjQhJ (B:s (3YGde GdcJH,s, 1997)
Keywords: (3GdMce h GdCeKGds; (3COH YQHjs