(3CfSLI GdJMVjQ GdeLgQj (B/s - (3GdNWjH, YeGO EHQGgje(B.s; (3GdNWjH, NdhO CHh QeGf(B.s ((3YeGf, GdCQOf (B:s (3YeGO EHQGgje GdNWjH,s, 1990)
Keywords: (3GdeNJHQGJs; (3Yde GdCfSLIs