(3GdNHQI GdLeGdjI (B: s (3OQGSI aj adSaI GdLeGd GdXGgQjI(B- (3gjOLQ SGQJQ ejQdhHfJj OhaQjf EfLGQOf (B/ s - (3Jhajb, SYjOs ((3GdbGgQI (B: s (3OGQ GdKbGaI, s, 2000)
Keywords: (3GdEHOGY Gdafj(B. s; (3GdadSaI(B. s; (3Yde GdLeGd(B. s