(3gPg fUjMJj Edi cd TjYjs - (3GdLRGFQj(B. (3CHj HcQ LGHQs ((3EOGQI GdHMhK GdYdejIs (3GdQjGVs, 1984)
Keywords: (3abg GdaQb GdESdGejs; (3GdTjYIs