00334nam a22000977a 4500008004100000020001500041245010800056250001200164260003300176300002700209190724b        xxu||||| |||| 00| 0 eng d  a1260098808  aPrinciples of microeconomics cedited by Robrt H. Frank, Ben S. Bernanke, Kate Antonovics & Ori Heffetz  a7th ed.  aNew YorkbMc GrawHill c2019  a1vol. (various paging)