TY - BOOK AU - "Frank, Robert" TI - Principles of Economics SN - 9780071202138 U1 - 330 PY - 2001/// PB - ,Marshall, Cavedish,Nelson,HEIMANN,Heinemann,Longman,Paramount Publisher,Bookland,Peak Publisher,National Book Services,Pitman Pubishing,Irwin McGrow- Hill ER -