00708pamaa2200205 4500 0000053623 20151001090000.0 151001s2015 eng 9781107639768 (CD-ROM) HB171.5 COL 2015 Collins, Mark Cambridge international AS and A level economics Teacher's Resources [ CD-ROM] Mark Collins. United Kingdom: Cambridge University Press, 2015. 1 CD-ROM; 4.5 inch. Cambridge International Examinations CD-ROM for Windows and Mac OSX ICN Economics Economics -- Problems, exercises, etc http://www.cambridge.org