(3GdSfOHGO GdUZjQ aj GddO (B/ s - (3Rcj, YeGOs ((3YeGf (B:s (3OGQ GdHjQb,s, 1987)
Keywords: (3JGQjN adSWjfs; (3GdeOf GdYQHjIs; (3GddOs; (3fGTFhf UZGQ (B(10-14 (3SfI(B)s