(3eQJaYGJ hPQjfL (B/ s - (3UHQi GdaVds; (3HQhfJi Gejdis ((3HjQhJ (B: s (3OGQ GdHMGQ , s, 1997)
Keywords: (3GdbUU GdGfLdjRjIs; (3GdGOH GdGfLdjRis